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 4140-01-004-2146
NSN 6110-01-500-2240
NSN 6320-00-116-3658
NSN 6650-00-678-5627
NSN 5915-01-608-4053
NSN 5920-00-422-5517
NSN 2925-01-424-0235
NSN 5960-01-142-1995
NSN 6620-01-265-2887
NSN 6620-00-175-0663
NSN 6110-00-170-6520
NSN 6135-00-299-6918