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 5855-00-832-9341
NSN 6610-01-555-8791
NSN 6240-01-302-5678
NSN 6150-00-104-8035
NSN 2925-01-381-5307
NSN 5990-01-337-9859
NSN 6220-01-172-5300
NSN 6145-01-428-2448
NSN 6320-01-364-1732
NSN 6150-01-029-5027
NSN 5960-00-328-4058
NSN 5975-01-396-7329