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 6145-00-390-0755
NSN 6320-01-321-7658
NSN 6145-00-955-1993
NSN 6110-00-161-4115
NSN 5985-01-216-6095
NSN 2925-01-510-2221
NSN 6220-00-223-4362
NSN 6645-01-004-0803
NSN 6130-01-031-9690
NSN 6130-01-530-4379
NSN 6610-01-336-0484
NSN 5895-01-433-9069