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 5930-01-476-4701
NSN 6320-01-323-7565
NSN 5925-01-537-5544
NSN 5990-01-645-2592
NSN 5905-01-353-7902
NSN 5920-00-004-4005
NSN 7035-01-003-9142
NSN 5965-01-343-6983
NSN 6320-01-415-0953
NSN 5930-01-354-0301
NSN 6240-00-917-1825
NSN 5925-01-549-1981