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 6620-01-396-2149
NSN 6610-01-484-1370
NSN 5975-01-347-0481
NSN 6620-01-415-5803
NSN 5990-00-764-1824
NSN 5999-01-250-1060
NSN 6220-01-210-5401
NSN 5975-01-418-1633
NSN 5965-01-329-7890
NSN 4140-01-102-2244
NSN 6620-00-804-8272
NSN 6610-00-292-9895