Description
Technical Manual Change 1 (TM 9-1240-269-35P) for M34 Tank Periscope December 1966 FSN 1240-980-9290
This official Technical Manual Change 1 updates TM 9-1240-269-35P for the M34 Tank Periscope and is dated December 1966. It applies to the repair-parts and special-tools base manual issued on June 30, 1964 for the periscope identified by FSN 1240-980-9290.
Change 1 is a separate update notice intended for use with the original TM 9-1240-269-35P. It is not the complete June 1964 base parts manual.
Historical Significance
The M34 was a daylight optical instrument used at the tank commander's station. Installed in the commander's cupola, it combined a wide observation window with magnified binocular optics so the commander could observe and sight while remaining under armor protection.
On M60A1-family vehicles, the commander's station could use the daylight M34 or the infrared-capable M36. This December 1966 change notice records a revision point in the Army's parts-support documentation for the M34 during that transition in armored-vehicle sighting equipment.
What This Manual Covers
Change 1 provides the December 1966 updates issued for TM 9-1240-269-35P. Its scope is limited to revisions made to the repair-parts and special-tools publication for the M34 Tank Periscope; it does not reproduce the complete base manual.
The documented M34 is an adjustable commander's optical instrument with a unity-power observation window, binocular viewing system, focusing and interpupillary controls, and elevation and deflection boresight adjustments.
Key Features
- Publication type: official Technical Manual Change 1
- Publication number: TM 9-1240-269-35P
- Documented equipment: M34 Tank Periscope
- Change date: December 1966
- Base parts manual date: June 30, 1964
- Federal Stock Number: 1240-980-9290
- Format relationship: update notice for the repair-parts and special-tools manual
Why This Manual Matters
Official change notices show how the Army revised parts-support information after a publication entered service. This Change 1 notice documents the December 1966 revision point for TM 9-1240-269-35P and helps preserve the M34 parts manual's correct update history.
Its value is strongest for collections and research files that already contain the June 1964 base parts manual or that document M34 and M60A1-family fire-control equipment.
About This Manual
This item is the December 1966 Change 1 notice for TM 9-1240-269-35P, covering the M34 Tank Periscope under FSN 1240-980-9290. The associated base repair-parts and special-tools manual was issued on June 30, 1964 and is a separate publication.
Ideal For
This manual is a strong fit for:
- Collectors completing a TM 9-1240-269-35P reference set
- M60A1 tank historians and restoration researchers
- Military-optics and fire-control collectors
- Museum technical libraries
- Researchers studying Army parts-manual revisions
Approx length 8", Approx width 10", Approx height .1", Approx weight .1lbs.
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