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 5996-01-451-8141
NSN 5910-01-487-3735
NSN 2925-01-183-2897
NSN 5920-00-465-0594
NSN 2925-01-239-6044
NSN 6145-01-621-8846
NSN 5975-00-483-1108
NSN 6130-00-175-8066
NSN 6135-00-221-4720
NSN 6320-00-925-0558
NSN 5990-01-364-0813
NSN 6145-00-542-3987