4820-01-148-6940
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-148-6940
- (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
- 03/09/1983 (43 years ago)
right-hand 1st end thread direction, disk flow control device, inside screw bonnet type, bolted bonnet attachment method, right-hand 2nd end thread direction
Specs & Compatibility
right-hand 1st end
right-hand 2nd end
disk
inside screw
bolted
spring
150.0 fahrenheit single response
plain (pipe) 2nd end
plain,optional end(pipe) 1st end
manual
threaded external pipe 2nd end
threaded internal pipe 1st end
pressure tight outlet side
400.0 pounds per square inch single response
0.500 inches 1st end
0.500 inches 2nd end
128.0 pounds per square inch
reducing connector,0.500 in. nptf to 0.250 in. nominal flare
copper alloy overall
steam single response
angle
npt 2nd end
npt 1st end
7 class and a style and 2 type
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.
0005488
Related Hardware Products
| Part Number | Description |
|---|---|
| 5013600 FIND 13 | Safety Relief Valve |
| ASTM F1508 | Safety Relief Valve |
| ASTM F1508-965CCWWB122 | Safety Relief Valve |