"United States Army Air Force Padlocks - Best"
 

Click to Enlarge Image "USAAF". 2" wide x 3/8" shackle diameter x 1 1/2" shackle clearance. Dichromate case. Steel shackle. 6 pin tumbler. Made for: United States Army Air Force. Mfg by: Best Lock Co.  
"The Mike Pitman Collection"
6384
Click to Enlarge Image "U.S.A.A.F. C.A.A.P. 330 615". 1 3/4" wide x 11/32" shackle diameter x 13/16" shackle clearance. Dichromate case. Steel shackle. 6 pin tumbler. Made for: United States Army Air Force, Civilian Army Air Patrol. Mfg by: Best Lock Co.  
"The Mike Pitman Collection"
6383