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 4140-01-142-3192
NSN 6105-01-299-3372
NSN 6620-00-383-8740
NSN 5996-00-256-3915
NSN 5915-00-181-9223
NSN 6145-00-126-1606
NSN 5950-00-050-6940
NSN 5905-01-654-2659
NSN 6220-01-516-9470
NSN 5960-01-447-1154
NSN 6645-00-329-2484
NSN 6685-01-466-5543