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 5935-00-148-9730
NSN 5925-00-222-6199
NSN 4140-01-614-4139
NSN 5998-01-386-4682
NSN 5915-00-543-9675
NSN 6135-00-681-2702
NSN 5925-01-318-2377
NSN 5920-00-102-3792
NSN 6610-01-332-5126
NSN 5996-01-451-3591
NSN 4140-01-370-2028
NSN 6320-01-449-1014