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 5910-00-375-9144
NSN 5985-00-797-0892
NSN 6240-01-277-1688
NSN 4140-01-188-8160
NSN 6685-01-514-8655
NSN 6320-00-459-8973
NSN 6135-01-513-3581
NSN
NSN 6110-01-633-9660
NSN 6110-01-470-1931
NSN 5990-01-264-9759
NSN 5950-01-277-9839