National Item Identification Number
01-284-4237
012844237
4820-01-284-4237
4820-01-284-4237
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
Reference Numbers (Part Numbers)
NS-3983 ASSY BC
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
FLOW CONTROL D
Required Description
COPPER ALLOY OVERALL
MIL-C-201598,TY1-70/30 MIL SPEC SINGLE MATERIAL RESPONSE O