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 5990-00-617-1422
NSN 5895-00-188-8156
NSN 5996-01-549-8877
NSN 6110-01-160-0214
NSN 6150-01-623-3609
NSN 6145-01-061-9503
NSN 5950-00-203-2368
NSN 5930-00-153-1400
NSN 5935-01-137-8164
NSN 6685-01-132-3343
NSN 6135-01-461-2915
NSN 6240-01-555-8649