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 6220-01-362-5303
NSN 5925-00-597-1558
NSN 5975-00-890-2755
NSN 5915-01-010-3866
NSN 4140-00-152-7092
NSN 5935-01-634-0668
NSN 5990-01-301-9810
NSN 6320-01-176-8367
NSN 5985-01-263-7402
NSN 6685-00-118-3625
NSN 5935-01-525-0918
NSN 6685-01-137-2864