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 5835-01-277-7167
NSN 6110-01-376-5921
NSN 5965-01-125-5367
NSN 5835-00-683-4612
NSN 5990-01-442-3520
NSN 2925-00-964-7128
NSN 6220-01-491-9803
NSN 6320-01-578-6006
NSN 5975-01-522-8315
NSN 2925-00-872-4474
NSN 6240-00-771-2263
NSN 5945-01-115-4014