NSN 4820-01-254-6775
Valve Seat Insert
About this product
Between 0.372 inches and 0.374 inches flange diameter, 0.156 inches body inside diameter, 0.078 mils and 0.082 centimeters flange seat to disk end height, under flange height: between 0.285 inches and 0.299 inches .
Manufacturer part number 20645-1 for national stock number 4820012546775.
Datasheet
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Product description
Valve Seat NSN 4820-01-254-6775.
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MPN or Model
20645-1
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
NMF (National Motor Freight)
133300 - Machinery/machines NOI -
Flange Diameter
Between 0.372 inches and 0.374 inches -
Body Outside Diameter
0.250 inches -
Body Inside Diameter
0.156 inches -
Flange Seat To Disk End Height
0.078 mils and 0.082 centimeters -
Under Flange Height
Between 0.285 inches and 0.299 inches -
Seat Angle In Deg
30.000 -
Seating Surface Shape
Angular -
Material
Steel comp 440c -
Material Specification
Qq-s-763 federal specification single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Mil-s-5002 military specification single treatment response -
Style Designator
Plain flanged -
Fsc Application Data
Aircraft hydraulic system
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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 4820-01-254-6775 valve seatManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| 20645-1 | Hamilton Sundstrand Corporation |
Stock Check
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