P491 Safety Relief Valve
4820-00-015-6231
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Official Item Classification
- Name
- Safety Relief Valve
- Teilenummer
- P491
- (NSN) Nationale Lagernummer
- 4820-00-015-6231
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Bundesversorgungsklassifizierung
- 4820 Nicht angetriebene Ventile
- (INC) Artikelbezeichnung Code
- 05488
- (FIIG) Leitfaden zur Identifizierung von Bundesartikeln
- A046B0
- Datum
- 04/20/1967 (vor 59 Jahren)
inside spring bonnet type, integral bonnet attachment method, poppet flow control device, 3a 1st end thread class, right-hand 1st end thread direction
Specs & Compatibility
3a 1st end
right-hand 1st end
poppet
inside spring
integral
spring
-54.0 celsius 1st response
110.0 celsius 2nd response
external seat for gasket seal (boss) 1st end
automatic
threaded external boss 1st end
valve stem lock shield
50.0 pounds per square inch single response
0.562 inches 1st end
0.375 inches 1st end
aluminum alloy 2024 overall
qq-a-225/6,alloy2024,t4 fed spec single material response overall
air single response
anodize
mil-a-8625,type1,class1 mil spec single treatment response
straight thru
18876-10177850 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
unf 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