4820-01-025-0341
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-025-0341
- (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
- 07/24/1976 (50 years ago)
165.0 fahrenheit single response maximum operating temp, spring disk loading method, disk flow control device, threaded bonnet attachment method, inside spring bonnet type
Specs & Compatibility
disk
inside spring
threaded
spring
165.0 fahrenheit single response
ship,ohio class ssn(trident)
socket (tube) 1st end
socket with brazing ring (tube) 2nd end
automatic
unthreaded internal tube 1st end
unthreaded internal tube 2nd end
pressure tight outlet side
+2901.0 to 5000.0 pounds per square inch
5000.0 pounds per square inch single response
0.500 inches 1st end
0.500 inches 2nd end
steel comp 303 flow control device
steel comp 303 stem
steel comp 304 body
aisi 303 assn std single material response flow control device
aisi 303 assn std single material response seat
aisi 303 assn std single material response stem
fed std 66,aisi 304/sae 30304 fed std single material response body
air single response
angle
2 nut and 2 tailpiece
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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| Part Number | Description |
|---|---|
| 20231 | Safety Relief Valve |
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| D41-60UU-08 1/2 IN. | Safety Relief Valve |
| D41-60UU-08H-1/2-1/2 | Safety Relief Valve |