277WS2 Check Valve
4820-00-204-1890
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Official Item Classification
- Name
- Check Valve
- Part Number
- 277WS2
- (NSN) National Stock Number
- 4820-00-204-1890
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 05487
- (FIIG) Federal Item Identification Guide
- A530B0
- Date
- 01/01/1961 (65 years ago)
plain, optional end (pipe) 1st end connection style, 2.000 inches 1st end nominal pipe size accommodated, disk flow control device, threaded renewable seat ring type, right-hand 1st end thread direction
Specs & Compatibility
2.000 inches 1st end
right-hand 1st end
disk
threaded
plain, optional end (pipe) 1st end
automatic
threaded internal pipe 1st end
threaded internal pipe 2nd end
horizontal
11-1/2 1st end
300.0 pounds per square inch single response
2.000 inches 1st end
copper alloy 706 overall
water-oil-gas single response
straight thru
npt 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.
S9C
0005487
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