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 5945-01-651-3604
NSN 5990-01-514-8708
NSN 5905-01-450-8038
NSN 5996-00-376-5442
NSN 2925-01-544-4880
NSN 6320-00-593-0379
NSN 5930-01-573-8366
NSN 5835-01-536-5739
NSN 5999-01-657-9383
NSN 5945-01-526-6167
NSN 6650-01-419-3265
NSN 5985-00-205-2922