4820-01-227-1897
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-227-1897
- (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
- 03/01/1986 (40 years ago)
threaded bonnet attachment method, 4 all ends bolt hole quantity, disk flow control device, inside screw bonnet type, 250.0 fahrenheit single response maximum operating temp
Specs & Compatibility
disk
inside screw
threaded
4 all ends
250.0 fahrenheit single response
automatic
round with holes all ends
flange all ends
1.000 inches
+59.0 to 72.0 pounds per square inch
400.0 pounds per square inch single response
4.250 inches all ends
0.500 inches all ends
4.500 inches
0.625 inches all ends
4.125 inches
3.125 inches all ends
raised straight all ends
0.062 inches all ends
2.000 inches all ends
steel comp 303 stem
steel uns j03002 body
astm b-61 assn std single material response body
water-oil-gas single response
angle flanged ends
1 lever
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.
0005488
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| D49565PARTR10AF5F512-CS1 | Safety Relief Valve |
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