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 4140-00-258-3612
NSN 6110-01-038-5828
NSN 5975-01-118-5248
NSN 5990-01-642-5748
NSN 6110-01-308-4492
NSN 6150-01-204-7779
NSN 5905-01-349-9502
NSN 5835-01-013-9321
NSN 5935-01-446-6396
NSN 6220-01-372-5988
NSN 6130-00-530-3737
NSN 6135-00-451-0709