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 5999-01-415-7079
NSN 6150-01-634-0575
NSN 6130-00-335-6812
NSN 6620-00-553-8854
NSN 5985-01-423-0054
NSN 6145-01-540-5330
NSN 6240-01-542-5602
NSN 6105-01-190-5507
NSN 2925-00-157-1602
NSN 6110-01-653-6139
NSN 6110-01-364-8344
NSN 7035-00-079-7189