4820-01-102-8512
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-102-8512
- (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
- 10/29/1980 (45 years ago)
integral bonnet attachment method, right-hand 1st end thread direction, inside spring bonnet type, poppet flow control device, right-hand 2nd end thread direction
Specs & Compatibility
right-hand 1st end
right-hand 2nd end
poppet
inside spring
integral
spring
450.0 celsius single response
plain,optional end(pipe) 2nd end
automatic
threaded internal pipe 1st end
threaded internal pipe 2nd end
10000.0 pounds per square inch single response
0.750 inches 1st end
1.000 inches 2nd end
2750.0 pounds per square inch
plastic polytetrafluoroethylene seat
steel body
steel comp 316 flow control device
aisi 316 assn std single material response flow control device
astm a351,grade cf8m assn std single material response body
angle
npt 2nd end
npt 1st end
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
Related Hardware Products
| Part Number | Description |
|---|---|
| 81S68-8 2750PSIG | Safety Relief Valve |