4820-00-855-6818
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-855-6818
- (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
- 01/01/1962 (64 years ago)
0.500 inches 2nd end nominal pipe size accommodated, 3a 1st end thread class, poppet flow control device, inside spring bonnet type, right-hand all ends thread direction
Specs & Compatibility
0.500 inches 2nd end
3a 1st end
right-hand all ends
poppet
inside spring
integral
spring
24.6 pounds per hour
200.0 fahrenheit single response
flared (tube) 1st end
plain (pipe) 2nd end
automatic
threaded external pipe 2nd end
threaded external tube 1st end
valve stem lock shield and pressure tight outlet side
450.0 pounds per square inch single response
0.500 inches 2nd end
0.875 inches 1st end
37.0 degrees 1st end
300.0 pounds per square inch
0.625 inches 1st end
copper alloy overall
angle
npt 2nd end
unf 1st end
Replacement For
| Part Number | Description | |
|---|---|---|
| 4820-00-447-9565 | No Name Available | 01/01/1963 |
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.
0005488
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