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 5950-00-753-7577
NSN 5990-00-226-7894
NSN 6240-00-079-0112
NSN 6110-01-283-2562
NSN 6650-01-523-3600
NSN 6105-01-415-5555
NSN 7035-00-104-7613
NSN
NSN 2925-01-448-2880
NSN 6145-00-683-5353
NSN 5920-00-450-0810
NSN 5960-00-304-8668