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 4140-01-360-6237
NSN 6620-00-411-4983
NSN 5975-00-560-1008
NSN 5996-01-289-0493
NSN 5950-00-042-6541
NSN 5965-01-291-8208
NSN 5960-01-331-3817
NSN 6645-00-551-8291
NSN 6105-00-918-5419
NSN 5985-01-568-0819
NSN 5905-01-230-0553
NSN 5950-01-600-2925