4820-01-227-1013
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-227-1013
- (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
- 02/28/1986 (40 years ago)
bolted bonnet attachment method, disk flow control device, inside spring bonnet type, spring disk loading method, 8 all ends bolt hole quantity
Specs & Compatibility
disk
inside spring
bolted
spring
8 all ends
150.0 fahrenheit single response
automatic
round with holes all ends
flange all ends
4.000 inches
+56.0 to 70.0 pounds per square inch
150.0 pounds per square inch single response
7.688 inches all ends
0.500 inches 2nd end
1.000 inches 1st end
5.375 inches
0.562 inches all ends
6.000 inches
6.562 inches all ends
plain all ends
copper alloy 922 body
nickel alloy flow control device
nickel alloy stem
angle flanged ends
this item has been reviewed for asbestos material. the current approved source, 15187, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984
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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