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 6240-00-388-6479
NSN 2925-01-109-7177
NSN 5960-01-284-4118
NSN 5960-01-155-6839
NSN 6220-01-323-1675
NSN 7035-01-207-8704
NSN 6320-01-459-6992
NSN 6145-01-382-9287
NSN 5915-01-313-6589
NSN 6320-01-512-2031
NSN 2925-00-816-8765
NSN 6645-01-067-4393