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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6220-01-623-7336
NSN 5998-01-194-5252
NSN 6685-01-213-3183
NSN 5920-00-199-4019
NSN 5990-01-167-7043
NSN 4140-00-774-8514
NSN 6610-01-627-0642
NSN 5925-01-425-2679
NSN 5996-01-577-9696
NSN 5910-00-044-3418
NSN 5945-01-212-7414
NSN 5925-00-318-3023