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 6110-01-254-3727
NSN 5945-01-205-7305
NSN 6220-01-385-7704
NSN 5999-01-385-9125
NSN 6610-00-536-4977
NSN 5985-00-381-6140
NSN 6130-00-316-5509
NSN 5930-00-516-1217
NSN 5975-01-312-2136
NSN 6240-00-398-0740
NSN 6610-00-232-1533
NSN 2925-00-008-5485