4820-01-129-5503
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-129-5503
- (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
- 04/08/1982 (44 years ago)
bolted bonnet attachment method, disk flow control device, 0.500 inches all ends nominal pipe size accommodated, spring disk loading method, outside screw-yoke bonnet type
Specs & Compatibility
0.500 inches all ends
disk
outside screw-yoke
bolted
spring
180.0 fahrenheit single response
socket with brazing ring all ends
automatic
unthreaded internal pipe all ends
+501.0 to 600.0 pounds per square inch
1500.0 pounds per square inch single response
top guided;elastic stop nut
copper alloy 922 body
nickel alloy flow control device
nickel alloy seat
gas, inert single response
angle
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
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| Part Number | Description |
|---|---|
| BEMBB12SCC | Safety Relief Valve |
| E8714Z51M | Safety Relief Valve |