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 5990-00-112-2440
NSN 5990-00-907-3912
NSN 6620-00-938-1789
NSN 5930-01-424-2321
NSN 6135-00-728-9860
NSN 6105-00-906-8101
NSN 6650-01-535-9190
NSN 5835-01-545-6467
NSN 6105-01-226-4198
NSN 6610-00-527-8892
NSN 6135-01-247-5660
NSN 2925-01-303-5266