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 4140-01-602-8037
NSN 5960-01-342-1961
NSN 6650-01-263-2355
NSN 5920-01-165-6881
NSN 5835-01-342-2654
NSN 2925-01-069-5324
NSN 5905-00-296-8763
NSN 6240-01-237-1481
NSN 6110-00-161-4115
NSN 5895-01-430-3474
NSN 5975-00-218-0414
NSN 6620-01-322-6193