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 5998-01-084-7369
NSN 4140-01-342-8677
NSN 5835-01-504-0837
NSN 5960-01-614-8005
NSN 6645-00-536-1555
NSN 5895-01-466-8990
NSN 6145-01-422-0015
NSN 6110-01-323-5273
NSN 6130-01-492-5841
NSN 5895-01-070-1557
NSN 2925-00-101-7972
NSN 6150-00-518-4558