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.
Classification: Gaskets,washers & other seals
NSN 6135-01-622-1296
NSN 6320-01-157-9076
NSN 5990-01-487-0871
NSN 2925-01-531-3400
NSN 6135-01-294-2131
NSN 6145-01-231-6574
NSN 5998-01-033-4141
NSN 5975-01-389-8555
NSN 5960-01-346-6002
NSN 5965-00-061-1061
NSN 5910-01-151-6513
NSN 7035-00-020-2227