NSN 4820-01-104-6770
Valve Seat Insert
About this product
Between 1.122 inches and 1.123 inches flange diameter, between 0.030 inches and 0.040 inches seat radius, 0.259 inches flange seat to disk end height, under flange height: between 0.165 inches and 0.170 inches .
Manufacturer part number 6859371 for national stock number 4820011046770.
Datasheet
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Product description
Valve Seat NSN 4820-01-104-6770.
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MPN or Model
6859371
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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.)
0.1 lb -
Flange Diameter
Between 1.122 inches and 1.123 inches -
Body Outside Diameter
Between 1.008 inches and 1.012 inches -
End Application
T-56 engine -
Seat Radius
Between 0.030 inches and 0.040 inches -
Flange Seat To Disk End Height
0.259 inches -
Under Flange Height
Between 0.165 inches and 0.170 inches -
Hardness Rating
32.0 rockwell c and 36.0 rockwell c -
Seating Surface Shape
Radial -
Body Stepped Inside Diameter
0.920 inches second step -
Material
Steel -
Style Designator
Plain flanged
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Valve Seat
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.
Pricing and Availability
Get a quote for 4820-01-104-6770 valve seatManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| 6859371 | Rolls-royce Corporation |
| 6859371 | Space Age Engineering Inc |
| 6859371 | Precision Piece Parts Inc |
| 6859371 | Allison Transmission, Inc. |
Stock Check
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