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 5975-00-885-9006
NSN 6645-01-545-5536
NSN 5960-01-246-4809
NSN 5965-01-585-8172
NSN 5998-01-142-2401
NSN 6220-01-068-4066
NSN 5835-01-468-4210
NSN 2925-01-658-4470
NSN 5996-00-248-7061
NSN 5996-01-209-3164
NSN 5965-01-468-6186
NSN 6130-01-630-2455