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 5920-01-281-7354
NSN 5910-01-299-8633
NSN 5990-01-107-1003
NSN 6220-01-658-4536
NSN 6135-01-528-6896
NSN 6105-01-427-2336
NSN 6145-01-660-6593
NSN 6650-00-364-7866
NSN 4140-01-440-1390
NSN 4140-00-450-1974
NSN 5905-00-175-9191
NSN 5998-01-630-3034