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 5895-00-222-5043
NSN 6320-00-593-0379
NSN 5965-01-086-0081
NSN 5990-00-764-7487
NSN 5960-00-244-8044
NSN 5945-01-555-3075
NSN 6135-01-100-3593
NSN 5950-01-514-8430
NSN 6145-01-061-9503
NSN 6610-01-470-7360
NSN 6150-00-826-1351
NSN 6645-00-930-3566