Item is critical to application (a-10 landing gear component) and is essential to weapon system performance and operation
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 5945-00-133-3007
NSN 5930-00-974-7156
NSN 4140-01-122-4050
NSN 6620-00-130-0815
NSN 6135-00-112-8637
NSN 6220-00-162-5047
NSN 5910-00-504-7418
NSN 5990-01-504-9265
NSN 5925-01-634-0664
NSN 6220-01-385-7964
NSN 6240-00-454-9293
NSN 5990-00-009-3291