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 5920-00-892-2640
NSN 5996-00-367-2388
NSN 6130-00-153-3136
NSN 5996-01-487-8782
NSN 5895-01-643-2667
NSN 5905-01-482-0149
NSN 6620-01-311-3516
NSN 6110-01-459-3601
NSN 5915-01-468-9390
NSN 5975-01-050-3241
NSN 6145-01-559-4423
NSN 6240-01-433-1403