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 5930-01-350-1477
NSN 6645-01-501-0576
NSN 6620-01-461-3550
NSN 5985-01-253-0278
NSN 5975-01-538-2936
NSN 6650-00-287-5868
NSN 5990-01-116-2181
NSN 4140-01-418-3017
NSN 5950-01-620-9003
NSN 5985-01-582-3711
NSN 5895-01-536-9977
NSN 5905-01-478-1155