D559A3M2 Safety Relief Valve
4820-00-001-0037
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Official Item Classification
- Name
- Safety Relief Valve
- Part Number
- D559A3M2
- (NSN) National Stock Number
- 4820-00-001-0037
- (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
- 09/24/1972 (54 years ago)
threaded bonnet attachment method, inside screw bonnet type, 0.375 inches 1st end nominal pipe size accommodated, right-hand 1st end thread direction, poppet flow control device
Specs & Compatibility
0.375 inches 1st end
right-hand 1st end
poppet
inside screw
threaded
spring
280.0 fahrenheit single response
plain (pipe) 1st end
automatic
threaded external pipe 1st end
200.0 pounds per square inch single response
0.375 inches 1st end
2.0 pounds per square inch
aluminum alloy 2024 and rubber butadiene-acrylonitrile class nbr flow control device
aluminum alloy 2024 body
aluminum alloy 2024 seat
qq-a-225/6,alloy2024,t4 fed spec single material response body
qq-a-225/6,alloy2024,t4 fed spec single material response flow control device
qq-a-225/6,alloy2024,t4 fed spec single material response seat
air 1st response
fuel/oil, hydrocarbon 3rd response
helium 2nd response
hydrogen 4th response
anodize
mil-a-8625,ty 1 mil spec single treatment response
straight thru w/baffle
npt 1st end
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 |
|---|---|
| D559A3M2 | Safety Relief Valve |