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 5915-00-736-3751
NSN 5975-00-286-8506
NSN 6685-01-277-5954
NSN 5965-01-505-3716
NSN 5950-00-203-4401
NSN 5985-01-093-8293
NSN 2925-01-248-6028
NSN 6610-00-999-1528
NSN 6145-00-284-1514
NSN 5925-01-375-9044
NSN 6110-01-400-4207
NSN 6610-00-854-5044