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 5965-00-815-2525
NSN 5915-00-670-7948
NSN 4140-01-010-2592
NSN 6150-01-640-9222
NSN 6650-01-565-5984
NSN 6220-01-592-3603
NSN 5835-00-373-2671
NSN 5895-00-137-4129
NSN 6145-01-252-7675
NSN 5999-00-110-2605
NSN 5835-01-484-4698
NSN 5990-00-835-5211