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 4140-01-490-7747
NSN 4140-00-128-8072
NSN 6645-00-540-8930
NSN 5998-01-020-6679
NSN 6620-01-072-6549
NSN 6130-01-191-6976
NSN 6320-00-405-2348
NSN 6650-01-107-0474
NSN 5998-01-236-1450
NSN 5965-00-764-1841
NSN 5895-01-599-7390
NSN 5975-00-247-1230