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 5998-01-422-1117
NSN 5935-00-237-5124
NSN 5925-01-340-5538
NSN 6145-01-293-8628
NSN 6130-01-634-0603
NSN 6145-00-254-9461
NSN 6645-01-479-5364
NSN 5905-00-186-9044
NSN 5990-01-021-7303
NSN 6150-01-158-9433
NSN 5945-00-338-9134
NSN 5905-01-051-2277