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 2925-01-633-4048
NSN 5960-00-133-2475
NSN 5960-01-152-7740
NSN 5930-01-645-0686
NSN 2925-01-213-2983
NSN 6620-01-234-1799
NSN 5935-01-445-6323
NSN 5975-01-332-8978
NSN 5935-01-594-3702
NSN 6110-00-405-5903
NSN 5996-01-168-2746
NSN 5915-01-527-2088