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 6105-00-514-0884
NSN 6685-00-015-3192
NSN 6610-01-282-1605
NSN 5925-01-310-5729
NSN 5985-00-351-9456
NSN 5935-00-073-4263
NSN 5960-01-573-6483
NSN 5950-01-455-4888
NSN 6320-00-025-9910
NSN 5910-00-291-3955
NSN 7035-01-270-0325
NSN 5915-00-564-2490