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 5905-01-522-5503
NSN 4140-01-627-7836
NSN 5930-01-291-7174
NSN 6110-00-188-9874
NSN 6610-01-278-9704
NSN 7035-00-286-6221
NSN 6320-00-004-9158
NSN 5950-01-526-8268
NSN 5985-01-281-8483
NSN 5975-01-181-8168
NSN 5996-01-450-1743
NSN 6620-01-502-9104