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 6610-01-345-1110
NSN 6220-01-647-1773
NSN 6135-00-112-8637
NSN 5910-01-066-3353
NSN 6145-01-462-5930
NSN 5996-00-661-1151
NSN 2925-00-275-1807
NSN 4140-01-512-6049
NSN 6105-01-661-0810
NSN 5920-01-163-9257
NSN 5990-00-288-1820
NSN 7035-00-861-7913