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 5996-01-494-7957
NSN 6135-00-128-1633
NSN 4140-00-521-0380
NSN 6150-01-588-7635
NSN 6620-00-754-7494
NSN 5999-01-467-2860
NSN 5960-01-413-3877
NSN 6320-01-275-3972
NSN 5945-01-204-8594
NSN 5990-01-170-6081
NSN 5945-00-484-8033
NSN 5975-01-329-3469