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.
NSN 5990-00-246-2184
NSN 6135-01-536-4810
NSN 6150-00-957-6394
NSN 6650-01-070-6271
NSN 6620-00-959-6614
NSN 5835-01-034-5206
NSN 6320-00-036-3688
NSN 5998-00-264-4864
NSN 5996-01-163-8739
NSN 5998-01-012-2225
NSN 6220-01-350-5839
NSN 5990-01-558-1892