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 5910-01-321-8060
NSN 5985-01-388-8667
NSN 5975-01-053-5303
NSN 6135-01-646-3039
NSN 5905-01-491-4219
NSN 4140-01-343-7302
NSN 5915-01-592-8055
NSN 6320-00-284-1524
NSN 5920-00-865-9622
NSN 6685-00-037-9635
NSN 5996-00-842-9120
NSN 5999-00-851-4860