A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6645-01-503-2240
NSN 6610-01-026-1701
NSN 6130-01-360-0789
NSN 5999-00-189-0772
NSN 6135-01-455-9646
NSN 5935-01-431-8023
NSN 5998-00-577-3519
NSN 4140-00-215-8593
NSN 5910-01-067-8361
NSN 5945-00-234-9276
NSN 5910-01-324-7176
NSN 6150-01-042-1981