4 required
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.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5935-01-355-8687
NSN 6650-01-399-4731
NSN 6240-00-983-4583
NSN 5960-01-553-4557
NSN 5935-01-545-3069
NSN 6240-01-154-4219
NSN 5930-01-519-3903
NSN 6650-01-024-1067
NSN 5985-01-023-1515
NSN 5999-01-172-7625
NSN 5975-01-266-3582
NSN 6130-00-643-4894