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 5925-01-511-0220
NSN 6620-01-124-0947
NSN 6110-00-905-6148
NSN 5935-01-507-5383
NSN 5905-01-308-8435
NSN 5915-01-368-4578
NSN 5996-00-947-0804
NSN 5999-01-579-2193
NSN 6130-01-386-6715
NSN 4140-01-314-7365
NSN 5905-01-072-5268
NSN 6645-01-437-9017