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 6150-01-157-2931
NSN 5925-01-534-3382
NSN 5930-00-174-7854
NSN 5905-01-542-4378
NSN 5985-01-140-6950
NSN 5990-01-605-4769
NSN 6620-00-379-2856
NSN 5915-00-142-6912
NSN 5855-01-384-4914
NSN 6150-00-204-6258
NSN 5999-01-247-3059
NSN 5935-01-655-7050