National Item Identification Number
01-185-5286
011855286
4820-01-185-5286
4820-01-185-5286
National Stock Number
Item Name
VALVE,CHECK
Federal Supply Class
4820
Description
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Commercial and Government Entity Code (Supplier Data)
11836
NATIONAL OILWELL
6750 S 57TH WEST AVE
2069
TULSA
OK
74101
918-447-4600
11836
NATIONAL OILWELL
6750 S 57TH WEST AVE
2069
TULSA
OK
74101
918-447-4600
Reference Numbers (Part Numbers)
NS3981 ASSEMBLY
NS3981 ASSEMBLY K 6IN.
Required Categories
MATERIAL
FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED
MAXIMUM OPERATING PRESS
Required Description
NICKEL ALLOY BODY
DISK
WATER-OIL-GAS SINGLE RESPONSE
700.0 POUNDS PER SQUARE