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 5990-00-033-8128
NSN
NSN 6240-00-179-5043
NSN 6220-01-422-2585
NSN 6620-01-027-9252
NSN 6320-00-242-3300
NSN 2925-01-231-6312
NSN 6240-00-265-6538
NSN 5895-00-161-9495
NSN 6150-01-415-5625
NSN 5965-00-644-0334
NSN 6685-00-001-8037