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 5945-00-801-6539
NSN 5895-00-773-2926
NSN 2925-01-208-6638
NSN 5960-01-347-0751
NSN 5960-01-178-7500
NSN 6320-01-249-0598
NSN 6130-00-367-2706
NSN 6135-00-519-1325
NSN 5920-01-286-7072
NSN 2925-00-099-4030
NSN 6320-01-411-7469
NSN 6685-01-576-9843