National Item Identification Number
01-286-8569
012868569
5330-01-286-8569
5330012868569
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)
03538
LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622
Reference Numbers (Part Numbers)
77C722319
Required Categories
MATERIAL
CROSS-SECTIONAL SHAPE STYLE
CROSS-SECTIONAL HEIGHT
CENTER HOLE DIAME
Required Description
RUBBER POLYSULFIDE CLASS T OVERALL
D53 ANGLE
0.750 INCHES NOMINAL
0.500 INCHE