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 5910-01-311-2759
NSN 4140-01-142-1225
NSN 6135-01-177-3552
NSN 5835-01-647-6426
NSN 4140-01-180-5576
NSN 5935-01-033-5409
NSN 6685-01-061-8668
NSN 6135-01-592-4139
NSN 5915-01-557-3392
NSN 6135-01-106-5542
NSN 6130-01-534-1543
NSN 5915-01-153-2623