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 4140-01-413-9841
NSN 6145-01-558-3249
NSN 2925-00-233-5644
NSN 4140-01-157-8882
NSN 6105-01-142-2694
NSN 5996-00-905-0844
NSN 5999-01-176-6481
NSN 5950-01-011-1225
NSN 6610-00-931-3656
NSN 5985-01-265-7024
NSN 5835-01-422-7393
NSN 5920-01-411-8571