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 6645-01-304-0889
NSN 5975-01-157-4305
NSN 5855-01-217-6857
NSN 5945-01-139-5179
NSN 5915-00-132-1211
NSN 2925-01-338-7126
NSN 2925-01-446-6976
NSN 5915-01-327-1478
NSN 6240-00-474-5802
NSN 5905-01-046-9626
NSN 6110-01-008-1856
NSN 5965-01-342-2865