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 6620-00-068-2503
NSN 5930-01-203-6786
NSN 5925-00-239-2135
NSN 5999-01-642-0693
NSN 6620-01-177-5567
NSN 6150-01-058-1014
NSN 5965-01-186-2051
NSN 5975-00-442-0821
NSN 5930-01-182-7250
NSN 5910-01-553-2786
NSN 5996-01-025-8571
NSN 6610-01-197-8302