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 4140-00-983-4083
NSN 7035-01-650-5774
NSN 5950-01-141-7635
NSN 5999-00-607-1056
NSN 7035-01-368-4801
NSN 6105-00-919-8466
NSN 6610-01-511-5260
NSN 6130-01-412-2531
NSN 4140-00-707-5963
NSN 5960-00-074-4834
NSN 6105-00-617-9331
NSN 5975-01-648-1235