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 4140-00-338-8770
NSN 6610-00-536-4977
NSN 6110-01-329-8749
NSN 6650-00-552-5848
NSN 5895-00-928-6021
NSN 5965-01-104-5102
NSN 6145-01-349-1731
NSN 5915-00-442-5168
NSN 6105-00-191-0598
NSN 2925-01-106-3552
NSN 6240-00-715-1046
NSN 6320-01-219-5174