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 2925-00-265-7539
NSN 4140-01-051-0421
NSN 6220-01-161-0439
NSN 6145-00-195-5608
NSN 5855-00-237-4088
NSN 5915-00-703-3001
NSN 5990-01-443-2931
NSN 5960-01-389-4055
NSN 6135-01-150-5382
NSN 5855-00-904-9572
NSN 6130-00-470-5195
NSN 6135-00-269-5843