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 5905-01-440-5737
NSN 5905-00-924-9391
NSN 6645-01-247-4549
NSN 4140-01-521-4316
NSN 6620-01-237-5603
NSN 5945-00-092-2134
NSN 5915-01-531-8726
NSN 6240-01-214-0308
NSN 7035-00-500-7839
NSN 5996-01-240-7085
NSN 5905-01-010-1806
NSN 6320-01-512-2031