4820-01-331-8683
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-331-8683
- (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
- 12/29/1990 (35 years ago)
4 all ends bolt hole quantity, disk flow control device, 450.0 fahrenheit 2nd response maximum operating temp, 100.0 fahrenheit 1st response maximum operating temp, automatic valve operation method
Specs & Compatibility
disk
4 all ends
100.0 fahrenheit 1st response
450.0 fahrenheit 2nd response
automatic
round with holes all ends
flange all ends
1.500 inches
+15.0 to 20.0 pounds per square inch
185.0 pounds per square inch 2nd response
285.0 pounds per square inch 1st response
5.000 inches 2nd end
6.000 inches 1st end
0.688 inches 2nd end
0.750 inches 1st end
4.750 inches
0.625 inches 2nd end
0.750 inches 1st end
4.875 inches
3.875 inches 2nd end
4.750 inches 1st end
raised straight all ends
0.062 inches all ends
2.750 inches 2nd end
3.250 inches 1st end
steel body
steel comp 316 flow control device
angle flanged ends
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 |
|---|---|
| 1905-30FC-1 S/N TH72190-193 | Safety Relief Valve |