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 5990-01-280-0321
NSN 5960-01-413-3877
NSN 5930-01-530-7577
NSN 5985-01-659-0427
NSN 6645-01-605-4351
NSN 4140-01-058-6603
NSN 6105-00-383-2984
NSN 6110-01-416-6743
NSN 6145-01-492-9840
NSN 6620-01-329-0845
NSN 5920-01-508-1991
NSN 6650-00-754-2276