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 5925-01-251-5716
NSN 6645-01-463-4314
NSN 6145-00-493-4073
NSN 2925-00-304-1997
NSN 6220-00-293-5368
NSN 5910-00-628-1624
NSN 5975-01-522-7403
NSN 6240-01-288-0555
NSN 5935-01-081-4005
NSN 2925-00-373-8837
NSN 5996-01-352-2487
NSN 6620-01-172-5497