Irregular shape cross sectional style
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 5925-01-158-0762
NSN 6220-01-142-3148
NSN 5985-00-529-9369
NSN 6105-00-759-5509
NSN 5905-01-443-4791
NSN 5920-01-247-5299
NSN 5920-01-276-5582
NSN 5990-00-223-5938
NSN 6620-00-266-2763
NSN 5990-00-382-5885
NSN 5975-00-116-9646
NSN 6220-00-468-4252