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 4140-01-295-5588
NSN 5910-00-140-4739
NSN 5999-01-480-6931
NSN 5835-00-629-3225
NSN 5925-00-069-8985
NSN 6320-01-253-9585
NSN 6135-01-109-8763
NSN 6220-01-193-7577
NSN 6110-00-205-1778
NSN 6220-00-099-9192
NSN 5910-01-633-9963
NSN 5920-01-368-3720