1-321-802-5889

NSN 4820-01-168-8354

Stem Assembly

About this product

Zzzy criticality code justification, quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics, .

Manufacturer part number 255122 PC44 4IN for national stock number 4820011688354.

Datasheet

  • Product description

    Fluid Valve Stem NSN 4820-01-168-8354.

  • MPN or Model

    255122 PC44 4IN

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    5 lb
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
Fluid Valve Stem

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes stem, faucet; and stem, needle valve.

Mechanic Bill explains Stem Assembly

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NSN 4820011688354

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
255122 PC44 4IN Huntington Ingalls Incorporated
55845-2445483 ASSY MR Unimasco Inc
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
26M00-81RR01 ASSY MR Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
55845-2445483 ASSY MR Unimasco Inc
845-2445483 ASSY4820011688354C Naval Ship Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
255122 PC44 4IN Huntington Ingalls Incorporated
255122 PC44 4IN Huntington Ingalls Incorporated
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-859X1 PIECE 6MOD Electric Boat Corporation
2640-806X5 PIECE 10 Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
255122 PC44 4IN Huntington Ingalls Incorporated
209-5201915 SH18 ITEM 44 Naval Sea Systems Command
2640-859X1 PIECE 6 Naval Sea Systems Command
845-2445483 ASSY4820011688354C Naval Ship Systems Command
55845-2445483 ASSY MR Unimasco Inc
2640-806X5 PIECE 10 Electric Boat Corporation
2640-859X1 PIECE 6MOD Electric Boat Corporation
26M00-81RR01 ASSY MR Electric Boat Corporation
209-5201915 SH18 ITEM 44L1 Naval Inventory Control Point
255122 PC44 4INL1 Naval Inventory Control Point
845-2445483 ASSY4820011688354CL1 Naval Inventory Control Point
26M00-81RR01 ASSY MRL1 Naval Inventory Control Point
2640-806X5 PIECE 10L1 Naval Inventory Control Point
2640-859X1 PIECE 6L1 Naval Inventory Control Point
2640-859X1 PIECE 6MODL1 Naval Inventory Control Point
SS845-2445483 ASSY MRL1 Naval Inventory Control Point
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