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 6130-01-252-3480
NSN 6150-01-472-2573
NSN 6220-01-412-5803
NSN 5930-00-792-9215
NSN 6320-01-498-4954
NSN 5998-01-497-7251
NSN 5975-01-076-6137
NSN 5950-01-585-7692
NSN 2925-01-487-0886
NSN 6610-00-346-9613
NSN 5990-01-374-3877
NSN 4140-01-332-1134