Item must comply with requirements of defense supply center columbus production standard no. Lo1156
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 6320-00-925-0558
NSN 4140-00-994-7145
NSN 5925-01-481-3442
NSN 5855-01-425-6340
NSN 5920-01-106-1137
NSN 2925-00-099-4030
NSN 5915-00-056-2197
NSN 6320-01-087-7961
NSN 2925-01-197-7864
NSN 6685-01-251-1054
NSN 4140-01-602-0200
NSN 6320-01-056-1164