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 4140-01-440-1992
NSN 6320-00-160-0899
NSN 5960-01-098-8437
NSN 5910-01-525-7356
NSN 6220-01-130-6632
NSN 6320-01-607-1491
NSN 6110-00-500-0475
NSN 5960-00-752-6175
NSN 5950-01-461-5059
NSN 5895-01-355-5046
NSN 6240-00-226-0462
NSN 6105-01-476-6365