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 4140-01-041-2636
NSN 2925-01-477-3787
NSN 7035-01-023-7859
NSN 6130-01-424-9000
NSN 5835-00-399-5358
NSN 6135-00-497-0491
NSN 6240-01-487-8757
NSN 6240-01-625-7262
NSN 5960-01-385-9361
NSN 5915-00-550-7073
NSN 5910-00-435-6779
NSN 6620-00-568-3947