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 6240-01-506-2059
NSN 5930-00-666-2971
NSN 4140-01-660-0323
NSN 5985-01-071-7292
NSN 6620-01-200-8176
NSN 5996-01-359-5912
NSN 6240-01-442-3501
NSN 5925-01-569-6394
NSN 5945-00-405-1248
NSN 5935-01-239-1865
NSN 6240-00-185-8367
NSN 6685-01-171-4478