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 4140-00-253-1801
NSN 5985-01-586-8530
NSN 5965-01-245-6585
NSN 6220-00-469-3292
NSN 5960-01-058-1074
NSN 5998-00-842-0866
NSN 6130-00-827-1967
NSN 6320-01-260-7390
NSN 5915-01-529-9418
NSN 5985-00-156-3636
NSN 6240-00-426-1972
NSN 5985-01-357-8477