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 5998-00-274-9201
NSN 6320-01-624-0193
NSN 6110-01-016-0887
NSN 6135-01-167-7604
NSN 5855-00-548-4742
NSN 6135-01-177-3552
NSN 5960-01-416-0474
NSN 6145-01-616-4767
NSN 6105-00-053-8638
NSN 6620-01-601-7491
NSN 5895-01-602-1115
NSN 6135-01-300-8455