Description
Technical Manual Change 1 (TM 9-1240-255-34) for M30 Periscope September 1966 FSN 1240-767-6399
This Technical Manual Change 1 for TM 9-1240-255-34 updates the M30 Periscope publication and is dated September 1966.
Issued for the base manual dated January 17, 1961, this official change notice applies revised Army information to the M30 Periscope, identified by FSN 1240-767-6399.
Historical Significance
The original 1961 manual documented the equipment under its experimental XM30 designation. By the time of this 1966 change, the sight was identified as the standardized M30 Periscope, making the change notice an important record of the equipment's transition from development nomenclature to an adopted Army designation.
The M30 was part of the fire-control arrangement associated with the M67A1 flame-thrower tank. As a gunner's periscopic sight, it provided a protected viewing and aiming instrument linked to the vehicle's flame gun and coaxial machine gun.
Change 1 and the Base Manual
This publication is the official Change 1 update to TM 9-1240-255-34. It contains revisions issued after the January 17, 1961 base manual and is intended to be used with that original publication.
Because it is a change notice, this item does not duplicate the complete maintenance manual. It preserves the updated information needed to bring the earlier manual to its September 1966 revision state.
What This Manual Covers
Change 1 revises selected information in the field-maintenance publication for the M30 Periscope. Its scope concerns the Army maintenance reference for the sight rather than operator-level instructions for the vehicle as a whole.
The underlying -34 manual addresses maintenance support for the periscope and its role as an optical fire-control component. The change notice records the later identification and maintenance information applicable to FSN 1240-767-6399.
Key Features
- Official publication: TM 9-1240-255-34, Change 1
- Change date: September 1966
- Base manual date: January 17, 1961
- Equipment covered: M30 Periscope
- Federal Stock Number: 1240-767-6399
- Equipment context: M67A1 flame-thrower tank fire-control system
- Publication type: official change notice for use with the base manual
Why This Manual Matters
This change notice documents the Army's updated maintenance record for a specialized armored-vehicle sight and connects the 1961 XM30-era base publication with the later M30 designation.
For collectors and researchers, it supplies the official revision needed to understand how the M30 was identified and supported during the service life of the M67A1 fire-control system.
About This Manual
Published by the Department of the Army in September 1966, this is Change 1 to TM 9-1240-255-34 for the M30 Periscope, FSN 1240-767-6399. The original base manual was issued on January 17, 1961.
This item is an official change notice, not the complete base manual. It is intended to be filed with or used alongside the original TM 9-1240-255-34 publication.
Ideal For
This manual change is a strong fit for:
- U.S. Army technical-manual collectors
- M67 flame-thrower tank historians and restorers
- Military optics and fire-control researchers
- Armored-vehicle museums and reference libraries
- Collectors assembling complete TM 9-1240-255-34 publication sets
Approx length 8", Approx width 10", Approx height .1", Approx weight .1lbs.
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