National Item Identification Number
01-169-2889
011692889
5330-01-169-2889
5330011692889
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)
NSN (National Stock Number) 5330-01-169-2889, 5330011692889 NIIN (National Identification Number) 01-169-2889, 011692889
Part Numbers (Reference Numbers)
MIL-R-25988/4
M25988/4-219
Required Categories
COLOR
HARDNESS RATING
CENTER HOLE DIAMETER
SPEC/STD CONTROLLING DATA
MANUFAC
Required Description
BLUE
75.0 SHORE DUROMETER A MINIMUM AND
85.0 SHORE DUROMETER A MAXIMUM OVERALL