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 5905-01-221-0285
NSN 4140-00-215-0313
NSN 6650-01-524-4231
NSN 5998-01-500-8148
NSN 5960-01-234-4388
NSN 5930-01-017-9860
NSN 7035-00-523-7492
NSN 6110-01-633-8045
NSN 5998-00-307-4205
NSN 6135-01-611-8483
NSN 5915-01-282-0529
NSN 7035-00-782-7046