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 5915-01-446-7238
NSN 5905-01-433-2146
NSN 6620-01-461-3550
NSN 5935-01-450-5008
NSN 6110-01-259-4402
NSN 5925-01-311-9924
NSN 6220-00-539-7446
NSN 6620-00-989-8692
NSN
NSN 2925-00-215-4954
NSN 4140-01-103-0034
NSN 6220-01-468-8897