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 4140-01-052-5221
NSN 5996-01-485-0305
NSN 6145-01-303-4821
NSN 6645-01-322-8897
NSN 6135-01-350-2932
NSN 5925-00-329-6965
NSN 6135-00-891-4944
NSN 6645-00-004-8628
NSN 5945-00-540-1052
NSN 5915-01-391-7830
NSN 5996-01-359-8719
NSN 5999-00-209-2578