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 6135-01-441-7922
NSN 4140-01-617-8961
NSN 6145-00-421-6874
NSN 2925-01-140-1015
NSN 5985-01-381-0019
NSN 5985-01-545-3220
NSN 5990-01-357-6175
NSN 5985-00-111-3503
NSN 6320-01-466-4175
NSN 6110-00-560-6990
NSN 4140-01-337-4625
NSN 6685-00-833-3182