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 4140-01-102-4131
NSN 6645-01-607-9104
NSN 6620-01-519-7234
NSN 6130-00-604-7897
NSN 5945-01-367-0723
NSN 6320-01-116-3980
NSN 6145-01-571-0921
NSN 5945-00-125-5499
NSN 6110-01-498-3601
NSN 5835-01-495-0595
NSN 4140-01-027-4116
NSN 5855-01-366-2429