4820-00-903-4337
Valve Seat
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Official Item Classification
- Name
- Valve Seat
- (NSN) National Stock Number
- 4820-00-903-4337
- (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
- 01/01/1960 (66 years ago)
45.000 nominal seat angle in deg, 1.375 inches single threaded portion nominal thread size, angular seating surface shape, 3a single threaded portion thread class, 16 single threaded portion thread quantity per inch
Specs & Compatibility
3a single threaded portion
45.000 nominal
16 single threaded portion
1.375 inches single threaded portion
angular
steel overall
fed std 66 fed std 1st material response or aisi 416/sae 51416 assn std 2nd material response overall
passivate overall
un single threaded portion
Regulatory Compliance
Item does not contain precious metal.
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
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