National Item Identification Number
01-321-7247
013217247
4820-01-321-7247
4820-01-321-7247
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
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
Reference Numbers (Part Numbers)
NS-3983 ASSY E
NS-3983 ASSY EL1
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
FLOW CONTROL D
Required Description
COPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
MIL-C-20159,TY 1 MIL SPEC S
