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 6240-01-444-1673
NSN 5935-01-492-5613
NSN 5905-01-417-6293
NSN 5915-01-050-5727
NSN 2925-01-541-5031
NSN 5950-00-931-1970
NSN 6130-01-481-1193
NSN 6135-01-154-3526
NSN 5925-01-274-2263
NSN 6645-00-901-2791
NSN 6220-00-269-3783
NSN 5855-01-314-8335