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 4140-01-207-0452
NSN 4140-01-127-0032
NSN 6145-01-241-7695
NSN 6240-00-677-0305
NSN 6220-01-445-9633
NSN 6620-01-336-2663
NSN 5996-01-268-1625
NSN 5950-01-295-2285
NSN 2925-00-261-5800
NSN 6220-01-512-0144
NSN 2925-00-911-1911
NSN 2925-01-477-8037