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 5905-01-221-2463
NSN 5945-00-943-9922
NSN 4140-00-218-0804
NSN 5855-01-267-2341
NSN 6320-00-857-4073
NSN 6135-01-230-4399
NSN 6135-01-086-8167
NSN 5998-01-037-5659
NSN 5905-01-352-5824
NSN 5910-01-025-9987
NSN 4140-01-157-1353
NSN 5920-01-417-7306