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 4140-01-201-0534
NSN 5905-01-091-9133
NSN 6620-01-264-4904
NSN 4140-01-101-5844
NSN 5996-01-122-3768
NSN 5835-01-063-6284
NSN 5950-01-653-1212
NSN 6685-00-855-6525
NSN 6650-01-238-8814
NSN 5925-01-392-7701
NSN 5925-01-331-0235
NSN 6320-01-648-5538