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 4140-00-437-3778
NSN 2925-00-328-2018
NSN 5990-01-141-3562
NSN 5965-00-309-4814
NSN 6650-01-059-1008
NSN 6650-01-136-5230
NSN 6320-01-207-0636
NSN 6685-01-415-6959
NSN 5950-00-521-3852
NSN 5990-00-121-2134
NSN 2925-01-480-8273
NSN 5975-00-725-3348