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 6620-01-181-1757
NSN 6105-00-633-0775
NSN 6135-01-553-3604
NSN 6645-00-051-8888
NSN 7035-01-287-9817
NSN 5910-01-165-9900
NSN 5935-01-180-1633
NSN 5905-01-386-4483
NSN 5935-00-581-9235
NSN 5965-00-876-2378
NSN 6135-01-610-7335
NSN 4140-00-100-4563