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 2925-01-139-5144
NSN 6620-00-290-6505
NSN 5835-01-462-5983
NSN 5950-01-400-5942
NSN 5990-00-078-8529
NSN 5925-01-004-9293
NSN 6645-01-258-9272
NSN 2925-01-298-2674
NSN 5998-00-391-8662
NSN 5985-00-281-0810
NSN 6610-00-296-5007
NSN 6145-00-775-0786