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 5960-01-136-5737
NSN 5990-00-741-9775
NSN 4140-01-361-8883
NSN 5935-00-218-5845
NSN 5990-01-293-4817
NSN 6645-01-085-2885
NSN 6320-00-857-4073
NSN 6240-00-774-9302
NSN 5915-01-130-2092
NSN 5915-00-857-3007
NSN 2925-00-373-8837
NSN 4140-01-545-7754