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 6240-01-185-5538
NSN 5930-01-420-1690
NSN 2925-01-619-4825
NSN 5990-00-060-7009
NSN 5905-01-610-0079
NSN 5855-01-381-6052
NSN 4140-01-412-1566
NSN 6320-01-522-0318
NSN 6610-01-492-8942
NSN 6220-00-916-5651
NSN 6105-01-112-4861
NSN 6110-00-195-7769