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 5905-01-377-5273
NSN 5855-01-512-1926
NSN 5835-00-518-4507
NSN 5920-01-301-7144
NSN 5835-00-257-2852
NSN 5945-01-215-1955
NSN 6320-00-500-4172
NSN 5910-00-556-6209
NSN 5945-01-162-4600
NSN 5905-01-321-6108
NSN 5985-01-182-6556
NSN 6320-01-345-5818