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 6145-00-445-7839
NSN 6685-00-947-7579
NSN 6240-00-071-1280
NSN 7035-00-679-9027
NSN 5960-00-127-5594
NSN 6240-01-324-6569
NSN 6150-01-379-4700
NSN 6650-00-962-3568
NSN 5895-01-579-8065
NSN 6240-01-195-8696
NSN 6320-01-449-1014
NSN 6685-00-157-3124