4820-00-287-2199
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-287-2199
- (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
- 01/01/1963 (63 years ago)
0.250 inches 1st end nominal pipe size accommodated, ball flow control device, threaded bonnet attachment method, inside spring bonnet type, right-hand 1st end thread direction
Specs & Compatibility
0.250 inches 1st end
right-hand 1st end
ball
inside spring
threaded
spring
plain (pipe) 1st end
automatic or manual
threaded external pipe 1st end
300.0 pounds per square inch single response
0.250 inches 1st end
185.0 pounds per square inch
copper alloy body
steel corrosion resisting and chromium flow control device
steel seat
steel stem
air single response
cross
npt 1st end
1/4 size
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