Operating temperature: -65 to 276 degrees fahrenheit
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 5990-01-503-0194
NSN 5996-01-413-5037
NSN 6610-01-238-8712
NSN 5985-01-340-1043
NSN 5855-01-042-7990
NSN 6320-00-070-4544
NSN 5990-00-301-3386
NSN 5930-01-238-6850
NSN 5945-00-161-5109
NSN 5975-01-420-7477
NSN 6220-00-189-6561
NSN 5925-00-404-0314