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 7035-00-417-2967
NSN 5996-01-397-0651
NSN 5960-01-356-4429
NSN 5965-00-125-6984
NSN 5930-01-267-2202
NSN 6620-01-097-7078
NSN 6320-01-092-4101
NSN 5999-01-557-0172
NSN 6645-01-316-2183
NSN 5985-01-253-9911
NSN 5975-01-322-5658
NSN 6110-01-542-8642