Quick view Add to Cart Overhaul Instructions for Helicopter Cargo Hook Assembly, 10,000 LB. Part No. 3580B, Mod 1, and Part No 3580E Document Part Number: NAVWEPS 03-65C-1 Number of pages: 16Part Number: NAVWEPS 03-65C-1Revision Date: 15-Feb-1966 MSRP: Was: Now: $15.00