4820-00-287-4030
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-287-4030
- (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
- 01/01/1963 (63 years ago)
10500.0 pounds per hour valve discharge flow rate, disk flow control device, spring disk loading method, bolted bonnet attachment method, exposed spring bonnet type
Specs & Compatibility
disk
exposed spring
bolted
spring
10500.0 pounds per hour
4 1st end
7 2nd end
650.0 fahrenheit single response
automatic or manual
round with holes 1st end
round with holes 2nd end
flange 1st end
flange 2nd end
1.500 inches
600.0 pounds per square inch single response
438.0 pounds per square inch
6.125 inches 1st end
6.500 inches 2nd end
0.750 inches 2nd end
1.125 inches 1st end
4.500 inches
0.688 inches 2nd end
0.812 inches 1st end
5.000 inches
4.500 inches 1st end
5.188 inches 2nd end
plain 2nd end
raised straight 1st end
0.250 inches 1st end
2.875 inches 1st end
steel body
steel corrosion resisting flow control device
steel seat
steel stem
steam single response
angle flanged ends
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.
N35
0005488
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