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 7035-00-756-4374
NSN 6110-01-601-2543
NSN 6145-00-280-2154
NSN 5935-00-706-3826
NSN 5950-01-141-7635
NSN 6145-01-090-7258
NSN 2925-01-163-6716
NSN 4140-01-660-5997
NSN 5925-01-565-0431
NSN 5950-01-491-3550
NSN 5985-00-521-4292
NSN 7035-01-441-9509