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 4140-00-100-4563
NSN 5985-00-244-0842
NSN 6145-01-594-2389
NSN 6320-01-607-1491
NSN 5855-00-256-5562
NSN 5905-01-444-5236
NSN 6150-01-250-2772
NSN 6150-01-028-3350
NSN 4140-01-526-4090
NSN 6110-01-325-3145
NSN 6320-01-392-6922
NSN 6220-01-068-4066