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 4140-00-394-0157
NSN 6610-01-044-4740
NSN 6135-00-027-3914
NSN 5925-01-133-9489
NSN 5935-01-658-4633
NSN 5920-01-454-1360
NSN 6320-01-021-6633
NSN 5930-01-509-5454
NSN 6620-01-239-9564
NSN 6145-01-012-0804
NSN 5935-00-438-4356
NSN 5999-00-644-3412