A1
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 5950-00-497-9872
NSN 5925-01-128-6694
NSN 6610-01-227-1692
NSN 5985-00-469-9762
NSN 5998-01-120-4587
NSN 6105-01-225-2077
NSN 6145-00-497-1578
NSN 6130-01-191-8752
NSN 5990-01-526-9941
NSN 6685-00-600-1327
NSN 5910-00-518-4608
NSN 5935-01-194-4271