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 6240-00-606-0323
NSN 4140-00-038-7577
NSN 5975-01-217-8545
NSN 5895-00-890-9172
NSN 5985-01-626-6145
NSN 6110-00-258-8542
NSN 5945-01-289-2161
NSN 5960-00-953-2103
NSN 5905-01-647-1650
NSN 5975-00-707-8036
NSN 5925-00-839-4689
NSN 6320-01-377-5701