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 4140-01-139-0141
NSN 5905-01-542-2412
NSN 5945-01-100-9797
NSN 6220-01-555-1543
NSN 5999-01-282-7870
NSN 5915-01-091-9568
NSN 5835-01-008-1003
NSN 5990-01-223-9414
NSN 5945-01-117-7439
NSN 6240-01-318-1522
NSN 5996-01-298-9054
NSN 5905-00-000-0136