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 4140-00-152-2030
NSN 5905-01-069-7550
NSN 5925-01-421-2632
NSN 6320-00-089-9426
NSN 2925-00-925-0545
NSN 6135-01-056-4609
NSN 6130-00-277-7321
NSN 5905-01-032-1816
NSN 5990-00-079-5406
NSN 5975-00-395-1722
NSN 6105-01-398-1932
NSN 5925-01-393-1832