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 6620-01-168-8450
NSN 5835-01-237-3769
NSN 6135-01-545-6582
NSN 5905-00-501-6517
NSN 6240-01-508-7830
NSN 5935-01-649-8215
NSN 5960-01-454-7064
NSN 6240-01-146-9197
NSN 5950-00-279-7184
NSN 6320-00-894-1644
NSN 5950-00-227-3948
NSN 6610-01-359-0008