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 5855-01-575-6772
NSN 5999-00-307-3125
NSN 2925-01-027-1293
NSN 5965-00-959-4910
NSN 6135-01-290-6487
NSN 6320-01-501-7935
NSN 6320-00-925-0558
NSN 6145-01-046-8527
NSN 5998-00-166-2289
NSN 5915-00-874-0493
NSN 6240-00-505-6099
NSN 6145-00-156-4394