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 4140-01-539-0548
NSN 6240-01-595-3594
NSN 6320-01-450-7513
NSN 5975-01-654-7301
NSN 5945-01-157-6636
NSN 5920-00-594-3124
NSN 6105-01-343-8548
NSN 5920-00-589-2710
NSN 2925-00-981-5977
NSN 5925-01-646-3988
NSN 5990-00-186-2445
NSN 5990-00-366-0112