4820-01-020-9879
Valve Seat
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Official Item Classification
- Name
- Valve Seat
- (NSN) National Stock Number
- 4820-01-020-9879
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 22113
- (FIIG) Federal Item Identification Guide
- A15500
- Date
- 05/07/1976 (50 years ago)
0.225 inches nominal seat radius, 2.046 inches minimum and 2.062 inches maximum body outside diameter, 0.438 inches nominal under flange height, 2.6260 inches minimum and 2.6265 inches maximum flange diameter, 1.437 inches nominal flange seat to disk end height
Specs & Compatibility
2.6260 inches minimum and 2.6265 inches maximum
2.046 inches minimum and 2.062 inches maximum
0.225 inches nominal
1.437 inches nominal
0.438 inches nominal
radial
0.750 inches nominal first step
0.968 inches nominal second step
nickel alloy overall
mil-n-6710,cond e,finish 4 mil spec single material response overall
plain flanged
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0022113