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 4140-01-150-9209
NSN 6620-00-820-9616
NSN 6320-00-089-9426
NSN 5920-01-109-3117
NSN 5990-01-065-0492
NSN 6240-00-435-0433
NSN 6220-01-127-2125
NSN 6150-00-152-7412
NSN 6620-00-215-1996
NSN 6220-00-702-0677
NSN 5990-01-013-8464
NSN 5920-01-568-3556