4820-00-015-1981
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-015-1981
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 05488
- (FIIG) Federal Item Identification Guide
- A046B0
- Date
- 01/01/1961 (65 years ago)
Safety Relief Valve NSN 4820000151981. The Thread Class is 3a 1st end
Specs & Compatibility
Mounting position: horizontal or vertical
0.438 inches 1st end
2000.0 pounds per square inch single response
20 1st end
Threaded external boss 1st end
Automatic
External seat for gasket seal (boss) 1st end
G50 external seat for gasket seal (boss) 1st end
Spring
Poppet
Right-hand 1st end
3a 1st end
Aluminum alloy 2024 flow control device
Aluminum alloy 2024 seat
Aluminum alloy 2024 body
Anodize
C4 straight thru
Straight thru
Unf 1st end
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.
FLZ
0005488
Related Hardware Products
| Part Number | Description |
|---|---|
| 60131 | Safety Relief Valve |