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NSN 4820-00-550-6563

Valve Relief Guide

About this product

Internal keyslot second end 0.156w x 0.043 h x 0.400 lg terminating in 0.156 dia hole through wall 90 deg radial from flats; first end threaded 1.000-14nf-3a x 0.775 lg incl 1/16 relief; first end enlarged to 1.519 od w/groove 1.4359 dia x 0.125 w and 1.500-12nf-3a thd 0.468 lg; 63aa finish bore.

Manufacturer part number 5506563 for national stock number 4820005506563.

Datasheet

  • Product description

    Valve Stem Guide NSN 4820-00-550-6563.

  • MPN or Model

    5506563

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    133300 - Machinery/machines NOI
  • Counterbore Diameter
    1.275 inches
  • Counterbore Depth
    0.437 inches
  • Overall Length
    3.468 inches
  • Outside Diameter
    1.030 inches
  • Bore Diameter
    0.5620 inches
  • Metallic Hardness Rating
    16.0 rockwell c and 27.0 rockwell c
  • Major Diameter Length
    0.700 inches
  • Flats Length
    0.625 inches
  • Width Across Flats
    0.750 inches
  • Counterbore Location
    Aa end
  • Bore Counterbore
    Included
  • Bb End Shank Diameter
    0.875 inches
  • Material
    Steel, aisi 1045
  • Material
    Steel comp 1045
  • Material Specification
    Aisi 1045 assn standard 1st material response
  • Style Designator
    Shouldered w/flats shank end
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Valve Stem Guide

A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.

Mechanic Bill explains Valve Relief Guide

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NSN 4820005506563

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5506563 Army, United States Department Of
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