4820-01-207-0179
Pressure Relief Safety Head
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Official Item Classification
- Name
- Pressure Relief Safety Head
- (NSN) National Stock Number
- 4820-01-207-0179
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 28139
- (FIIG) Federal Item Identification Guide
- A512U0
- Date
- 04/26/1985 (41 years ago)
11.000 inches head size, 30 degrees angular seat features provided, bolted head type
Specs & Compatibility
bolted
11.000 inches
30 degrees angular seat
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.
0028139