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 4140-00-538-1226
NSN 5945-00-643-6182
NSN 5855-01-268-6468
NSN 6610-00-862-5901
NSN 5960-01-142-1995
NSN 6610-01-033-2402
NSN 6145-01-061-4513
NSN 5998-01-045-8655
NSN 5915-01-452-2735
NSN 6645-00-646-6631
NSN 5985-00-317-8237
NSN 2925-01-643-8395