Item must comply with requirements of defense supply center columbus production standard no. Lo1475
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 6645-01-574-5188
NSN 5975-01-373-8361
NSN 5950-01-493-9630
NSN 6620-01-456-0529
NSN 5945-00-635-7263
NSN 5985-00-244-9215
NSN 5855-00-149-0766
NSN 5975-01-139-3600
NSN 5935-01-493-2127
NSN 5975-01-467-9255
NSN 5835-01-286-6499
NSN 6240-01-378-8227