WWII & Korean War KY-86/APN Keyer Manual Lot Olympic Radio 1954 Parts Breakdown

Original military technical manual lot for the KY-86/APN Keyer, manufactured by Olympic Radio & Television Inc., Long Island City, New York. This two-manual set includes the original preliminary maintenance handbook and the later illustrated parts breakdown, documenting the evolution of this airborne electronic component from its initial issue through updated Air Force technical orders.

Included Manuals

1. Preliminary Handbook – Maintenance Data

• Keyer KY-86/APN
• Published by Olympic Radio & Television Inc.
• Preliminary maintenance handbook issued with the equipment pending official Technical Orders
• Includes maintenance procedures and an original addendum sheet with updated servicing instructions
• Engineering inspection stamp dated October 1965

2. Illustrated Parts Breakdown

• Keyer KY-86/APN
• Technical Order T.O. 12P5-2APN-124
• Formerly T.O. 16-35KY86-4
• Dated 10 December 1954
• Complete illustrated parts breakdown and reference designation index
• Published under authority of the Secretary of the Air Force and the Chief of the Bureau of Aeronautics

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