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 5915-01-567-5066
NSN 6135-00-073-8939
NSN 5996-01-441-7910
NSN 5990-01-213-6319
NSN 5910-01-371-5277
NSN 5925-01-292-4650
NSN 5935-01-435-5204
NSN 5905-01-515-4060
NSN 6685-01-634-0611
NSN 5950-01-349-4276
NSN 6645-00-056-1580
NSN 5998-01-133-2443