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 5835-00-835-7838
NSN 5945-00-529-6058
NSN 6320-00-336-9123
NSN 6110-00-165-3848
NSN 6610-01-633-8931
NSN 5996-01-234-7157
NSN 5975-01-378-6578
NSN 4140-01-267-5137
NSN 6220-01-575-0043
NSN 5990-00-674-2318
NSN 6645-01-411-5657
NSN 6320-01-377-0033