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 5855-01-642-3777
NSN 5945-01-497-0549
NSN 6320-01-386-3491
NSN 6135-01-468-6491
NSN 5910-01-521-3684
NSN 5925-00-482-2396
NSN 6130-01-244-9770
NSN 6645-01-605-1485
NSN 5990-00-419-7584
NSN 4140-01-420-6263
NSN 7035-01-128-7431
NSN 6320-00-228-5678