4820-01-440-1502
Valve Seat
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Official Item Classification
- Name
- Valve Seat
- (NSN) National Stock Number
- 4820-01-440-1502
- (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
- 01/06/1997 (29 years ago)
1.750 inches nominal first threaded portion thread length, 2a first threaded portion thread class, 1.750 inches nominal second threaded portion thread length, 3.120 inches nominal overall height, 2a second threaded portion thread class
Specs & Compatibility
2a first threaded portion
2a second threaded portion
1.750 inches nominal second threaded portion
1.750 inches nominal first threaded portion
3.120 inches nominal
4.000 inches nominal
nimitz class cvn
45.000 nominal
14 first threaded portion
14 second threaded portion
4.812 inches first threaded portion
4.812 inches second threaded portion
angular
for safety relief valve type 1741-t, sz 4.000 in.
nickel alloy seat
qq-n-288 fed spec single material response seat
plain threaded
uns 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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