4P145 Safety Relief Valve
4820-00-176-4621
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Official Item Classification
- Name
- Safety Relief Valve
- Part Number
- 4P145
- (NSN) National Stock Number
- 4820-00-176-4621
- (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
- 12/17/1969 (56 years ago)
flared (tube) all ends connection style, right-hand all ends thread direction, poppet flow control device, spring disk loading method, 3a all ends thread class
Specs & Compatibility
3a all ends
right-hand all ends
poppet
spring
flared (tube) all ends
automatic
threaded external tube all ends
+3.0 to 7.0 pounds per square inch
30.0 pounds per square inch single response
0.438 inches all ends
37.0 degrees all ends
0.250 inches 1st end
aluminum body
air 1st response
fuel/oil, hydrocarbon 2nd response
straight thru note: to be used for valve bodies of one section only.
unf all ends
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 |
|---|---|
| 205-062-668-001 | Safety Relief Valve |
| 205-062-668-1 | Safety Relief Valve |
| 4P145 | Safety Relief Valve |