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 4140-01-319-5534
NSN 5999-00-740-8259
NSN 5960-01-328-1533
NSN 5905-00-089-9622
NSN 2925-01-274-8576
NSN 6220-01-190-5469
NSN 6130-01-509-8748
NSN 6620-00-394-1812
NSN 6220-01-396-9520
NSN 5925-01-385-9384
NSN 5910-00-451-5920
NSN 4140-01-512-8528