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 5920-01-376-4422
NSN 5998-01-579-4391
NSN 6110-01-447-2770
NSN 6320-01-473-3848
NSN 5990-01-097-4721
NSN 5905-01-111-9559
NSN 5999-00-961-6159
NSN 6240-01-400-1311
NSN 5998-01-023-4322
NSN 6145-00-236-0012
NSN 5915-01-198-9177
NSN 6610-01-116-2527