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 5925-00-336-1992
NSN 5915-01-212-0212
NSN 5895-01-634-0630
NSN 6145-00-958-2537
NSN 2925-01-508-4138
NSN 6320-01-345-5818
NSN 5855-01-547-2339
NSN 5925-01-633-6715
NSN 5855-01-243-2355
NSN 6135-01-418-4156
NSN 5950-01-445-8905
NSN 5960-01-060-9248