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 6320-01-412-2973
NSN 6620-01-542-8709
NSN 5930-00-435-4008
NSN 5945-01-588-0602
NSN 5910-01-007-2577
NSN 5930-01-008-5832
NSN 5855-01-436-2862
NSN 5975-00-665-3644
NSN 5910-00-504-7418
NSN 5990-00-683-1095
NSN 5990-01-365-3453
NSN 5975-00-684-6835