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 4140-01-497-2716
NSN 5905-01-116-2689
NSN 6650-01-068-3997
NSN 5996-01-291-3076
NSN 4140-01-426-4412
NSN 5925-01-352-3349
NSN 5965-00-081-9412
NSN 5960-00-168-3594
NSN 5965-01-190-7391
NSN 5895-00-106-4261
NSN 6620-01-371-1655
NSN 5905-00-287-7419