National Item Identification Number
01-278-3946
012783946
5330-01-278-3946
5330012783946
National Stock Number
Item Name
PACKING,PREFORMED
Federal Supply Class
5330
Description
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.
Commercial and Government Entity Code (Supplier Data)
81343
11836
NATIONAL OILWELL
6750 S 57TH WEST AVE
2069
TULSA
OK
74101
918-447-4600
NSN (National Stock Number) 5330-01-278-3946, 5330012783946 NIIN (National Identification Number) 01-278-3946, 012783946
Part Numbers (Reference Numbers)
MS28775-241
MS28775-241
8-400631PC13
Required Categories
DEPARTURE FROM CITED DOCUMENT
CRITICALITY CODE JUSTIFICATION
Required Description
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALI