MIL-STD-627 (NOTICE 2), MILITARY STANDARD: SPROCKET WHEELS FOR POWER TRANSMISSION AND CONVEYING CHAINS (20 SEP 1973) [NO S/S DOCUMENT]
MIL-STD-627 (NOTICE 2), MILITARY STANDARD: SPROCKET WHEELS FOR POWER TRANSMISSION AND CONVEYING CHAINS (20 SEP 1973) [NO S/S DOCUMENT].