4820-01-341-4810
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-341-4810
- (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
- 07/01/1991 (35 years ago)
welded renewable seat ring type, inside spring bonnet type, disk flow control device, union bonnet attachment method, spring disk loading method
Specs & Compatibility
disk
inside spring
union
spring
welded
150.0 fahrenheit 1st response425.0 fahrenheit 2nd response
streamlined with one brazing ring (tube) all ends
automatic
unthreaded internal tube all ends
+110.0 to 160.0 pounds per square inch
400.0 pounds per square inch 1st response200.0 pounds per square inch 2nd response
1.500 inches all ends
copper alloy bodynickel alloy flow control devicenickel alloy seatnickel alloy stem
astm-b61 assn std single material response bodyqq-n-281 fed spec single material response flow control deviceqq-n-281 fed spec single material response seatastm-a-276 assn std single material response stem
water-oil-gas single response
angle
1 lever
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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| BASAA07SGG | Safety Relief Valve |
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