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 6620-01-426-2220
NSN 6145-00-724-7028
NSN 5935-00-839-4300
NSN 6610-01-416-0652
NSN 2925-00-942-2417
NSN 4140-01-428-9426
NSN 5975-00-802-8714
NSN 6110-01-072-4447
NSN 5855-00-129-6055
NSN 5985-00-405-9037
NSN 6685-01-359-8716
NSN 6610-01-177-5033