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 6220-01-086-2080
NSN 5925-01-579-6730
NSN 2925-01-439-4451
NSN 6320-01-631-7828
NSN 6135-01-603-8367
NSN 5930-00-059-3594
NSN 5965-00-644-0334
NSN 5915-01-631-3204
NSN 6645-00-803-6417
NSN 5835-01-205-6614
NSN 5930-01-310-9869
NSN 2925-00-934-8383