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 5999-00-827-0703
NSN 6145-01-538-1265
NSN 5950-01-540-0492
NSN 5935-01-182-0402
NSN 5930-00-090-9449
NSN 5965-01-278-8218
NSN 6220-00-253-3836
NSN 6610-01-655-4737
NSN 2925-01-230-8057
NSN 5895-01-283-8901
NSN 5990-00-412-4411
NSN 5950-00-513-9596