Chamfered on all four corners of the cross section
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 6150-01-172-9896
NSN 5935-01-470-9109
NSN 5985-00-062-7033
NSN 4140-00-307-2732
NSN 5925-01-272-8883
NSN 5925-00-536-7651
NSN 4140-01-124-7309
NSN 5965-01-162-4118
NSN 5895-01-626-7705
NSN 6150-01-072-8362
NSN 4140-00-038-7577
NSN 5975-01-281-7270