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 6610-00-497-3801
NSN 5935-01-570-5296
NSN 4140-00-564-5986
NSN 5990-01-553-1094
NSN 5855-00-185-1560
NSN 6130-00-429-8089
NSN 5935-01-318-3411
NSN 5999-00-789-4473
NSN 6240-01-407-8408
NSN 6110-00-975-9927
NSN 6135-01-519-7879
NSN 6110-01-381-0300