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 4140-01-284-0217
NSN 5935-01-644-8685
NSN 5960-00-485-0601
NSN 6645-00-011-9968
NSN 6135-01-310-9866
NSN 5920-01-445-7000
NSN 5965-01-399-8454
NSN 5925-00-275-7599
NSN 5999-01-503-7427
NSN 5895-00-395-2657
NSN 5985-01-416-8277
NSN 2925-01-478-8191