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 5990-01-285-4633
NSN 6130-01-474-5985
NSN 5999-01-573-7602
NSN 6105-00-408-9941
NSN 4140-01-236-0112
NSN 5960-01-424-0590
NSN 5965-01-072-8585
NSN 5985-01-513-9370
NSN 5945-01-263-3789
NSN 5945-01-570-7341
NSN 5950-00-646-1231
NSN 5990-01-145-2878