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 6135-01-390-1841
NSN 6145-01-391-5518
NSN 5920-01-503-1596
NSN 5925-01-410-8515
NSN 5950-01-195-4519
NSN 5920-01-300-3646
NSN 6320-00-908-6841
NSN 5835-01-245-8077
NSN 6150-01-028-0413
NSN 5999-00-383-3381
NSN 6610-01-492-2630
NSN 5985-01-359-2605