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 2925-00-660-8131
NSN 4140-01-535-6477
NSN 5985-01-641-5786
NSN 6105-01-646-0509
NSN 6610-01-265-0999
NSN 5925-01-445-2424
NSN 6220-01-293-1322
NSN 6645-01-485-4521
NSN 5960-01-142-1995
NSN 5996-00-080-6847
NSN 5999-01-517-7324
NSN 6320-01-152-8873