Description
Own a highly specialized piece of Vietnam War-era U.S. Army ordnance documentation with this Technical Manual TM 9-1000-202-10, covering the procedure for estimating or determining remaining round life of cannon tubes for tanks, towed guns, howitzers, and recoilless rifles. Dated April 1969, this manual is tied to the serious maintenance and inspection side of artillery, armor, and direct-fire weapon systems.
This is not a basic field manual or general equipment guide. It deals with one of the most important questions in cannon service life: how much useful firing life remains in a tube. For collectors, that gives it a strong technical edge. It documents the behind-the-scenes ordnance work that kept major weapon systems safe, tracked, and serviceable.
Historical Significance
By the late 1960s, the U.S. military was operating a wide range of cannon-armed systems. Tanks, towed artillery, howitzers, and recoilless rifles all depended on tube condition, firing records, bore wear, and inspection standards.
That makes TM 9-1000-202-10 especially interesting. It belongs to the period when the Army was standardizing technical procedures across many weapon categories. This was the Vietnam War era, but many systems in service still had roots in World War II and Korea. Tube life tracking mattered for everything from training to combat readiness.
Earlier manuals in the TM 9-1000-202 family focused on cannon tube evaluation and inspection. A 1959 edition described the series as covering guidance for judging cannon tubes, including tube evaluation, bore inspection devices, and velocity-measuring equipment.
What This Manual Covers
As a manual for estimating or determining remaining round life, TM 9-1000-202-10 would have served as a technical reference for ordnance personnel working with cannon tubes across multiple weapon types.
This manual is especially relevant for:
- cannon tube life documentation
- tank gun tube service-life tracking
- towed gun and howitzer maintenance history
- recoilless rifle tube-life reference
- bore wear and inspection research
- ordnance maintenance record collections
- Vietnam War-era technical manual libraries
- museum and archival ordnance displays
The subject is closely connected to the military concept of Equivalent Full Charge, often abbreviated EFC. Later field artillery references describe EFC as the method used to determine the remaining life of a cannon tube, with fired rounds converted by an EFC factor and recorded in official gun records.
Key Features
- Technical Manual TM 9-1000-202-10
- Full title: Procedure for Estimating or Determining Remaining Round Life of Cannon Tubes
- Applies to tanks, towed guns, howitzers, and recoilless rifles
- Dated April 1969
- Vietnam War-era U.S. Army ordnance publication
- Strong subject for artillery, armor, and recoilless rifle collectors
- Focused on cannon tube service-life tracking and technical inspection context
- Excellent reference for ordnance maintenance and gun-book history
- Desirable companion manual for tank, artillery, and howitzer technical libraries
Why This Collectible Stands Out
Most technical manuals cover a single weapon, vehicle, or piece of equipment. This one covers a technical procedure that applied across an entire class of military weapons.
That makes it especially valuable to serious ordnance collectors. It helps explain how the Army tracked the life of cannon tubes, rather than just how a weapon was operated or maintained. It also pairs well with manuals for 90mm tank guns, 105mm tank guns, 155mm howitzers, 8-inch howitzers, and recoilless rifles.
For museums and researchers, this manual adds depth. It shows the maintenance discipline behind large-caliber weapons and explains why gun tubes were treated as tracked, life-limited components.
About This Manual
This listing is for Technical Manual TM 9-1000-202-10, Procedure for Estimating or Determining Remaining Round Life of Cannon Tubes for Tanks, Towed Guns, Howitzers, and Recoilless Rifles, dated April 1969.
This listing is for the manual only unless otherwise stated. No cannon tube, weapon, tank gun, artillery piece, recoilless rifle, inspection gage, bore scope, gun book, tool, part, or additional accessory is included unless specifically shown or noted.
Ideal For
This manual is a strong fit for:
- U.S. Army technical manual collections
- Vietnam War-era ordnance reference libraries
- tank gun and artillery collectors
- howitzer and recoilless rifle research collections
- cannon tube inspection and maintenance displays
- museum and archival reference collections
- collectors of dated government technical publications
- serious ordnance historians and military paperwork collectors
Approx length 11", Approx width 8", Approx height .2", Approx weight .2lbs.
Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures are representative of the item's general condition. The item you receive might be slightly better, or worse, condition than was shown in the pictures.
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