Description
U.S. Army 120mm XM1E1/M1A1 Abrams tank Gun Recoil Spring Compressor Guide, P/N 12284873
Item Overview
This U.S. Army maintenance tool is the guide and main structural frame from a Gun Recoil Spring Compressor used with the XM1E1/M1A1 Abrams tank program. The component is stamped “19200-12284873,” matching drawing number 12284873 for the guide contained in complete compressor P/N 12284872. The complete tool is cataloged under NSN 4933-01-083-2044. This is specialized armament-maintenance equipment and was not installed on or carried as an operating component of the tank.
Identification and Features
The military supply record for complete compressor P/N 12284872 lists a guide with drawing number 12284873, matching the number stamped on this component. Its heavy frame construction provided the support and alignment required while the compressor acted on the gun’s recoil spring. Any additional hardware attached to the guide is included only as shown in the inventory photographs.
- Component identification: Guide and structural frame
- Stamped marking: 19200-12284873
- Guide drawing number: 12284873
- Complete tool: Gun Recoil Spring Compressor
- Complete tool part number: 12284872
- Complete tool NSN: 4933-01-083-2044
- Federal supply class: 4933, specialized weapons-maintenance equipment
- Documented end item: XM1E1/M1A1 Abrams 120mm tank
- End-item NSN: 2350-01-087-1095
Historical Background
The complete recoil-spring compressor received its National Stock Number on September 20, 1979, during the later development period of the XM1 tank and the 120mm-armed M1E1 program. The guide carries a separate drawing number because it was one component of a larger tool assembly. Its catalog classification placed it with specialized shop equipment used to maintain military weapons rather than with replacement parts installed in a tank. The tool was developed as the Army prepared the 120mm Abrams armament system that entered production with the M1A1.
Function and Operation
The complete tool compressed and released the gun recoil spring under controlled maintenance conditions. The guide/frame supported the compressor’s working parts and helped keep them aligned as force was applied to the spring assembly. Controlled compression allowed armament personnel to service spring-related parts without relying on improvised fixtures. This work required the complete compressor assembly, the correct maintenance procedure, and trained personnel; the guide alone is not a complete working compressor.
Complete Compressor Assembly
The supply description for Gun Recoil Spring Compressor P/N 12284872 lists a tube, plunger, two rods, and guide as parts of the complete equipment. Drawing number 12284873 identifies the guide offered here. The remaining compressor components are not included unless they are visible in the inventory photographs. This distinction is important because the stamped guide number identifies a major component rather than the part number assigned to the complete tool set.
End-Item Application
The complete compressor is cross-referenced to end-item NSN 2350-01-087-1095, originally recorded under the XM1 designation and later used in Army technical manuals for the 120mm M1A1 Abrams. The tool supported maintenance of the tank’s gun recoil-spring equipment. It did not serve as a tank bracket, armor component, or operating part of the recoil mechanism. Armament-maintenance personnel used it after gaining access to the appropriate gun components during scheduled service or repair.
M1A1 Abrams Weapon-System Background
The original production M1 Abrams entered service with a 105mm main gun. The M1E1 development program introduced the larger 120mm smoothbore gun and other improvements that led to the M1A1. Production of the M1A1 began in 1985, and the tank entered Army service during the closing years of the Cold War. The more powerful gun required its own maintenance equipment, fixtures, and procedures, including specialized tools for servicing the recoil-spring system.
History of Use
Specialized compressor tools supported Abrams armament maintenance in military shops and maintenance facilities as the 120mm M1A1 entered service. Their role was behind the gun line, where armorers and maintenance personnel inspected, repaired, and returned gun components to service. The M1A1 later saw major operational use during Operation Desert Storm and continued serving with U.S. Army and Marine Corps units. Equipment such as this guide formed part of the maintenance system required to keep those tanks and their main armament operational.
Condition
This listing is for the stamped guide/frame component and the additional pieces attached to it in the inventory photographs. It should not be considered a complete Gun Recoil Spring Compressor P/N 12284872 unless the required tube, plunger, rods, and other specified parts are present. The stamped identification remains an important feature of the piece. Review the photographs for the condition of the finish, frame, attachment points, hardware, scratches, corrosion, and storage wear.
Ideal For
This original maintenance-tool component is suited to collections and displays focused on the development, armament, and maintenance of the XM1E1 and M1A1 Abrams. Its documented relationship to a specialized recoil-spring compressor also makes it a useful reference piece for identifying incomplete Abrams armament tool sets.
- M1A1 Abrams collections
- Military armament-tool displays
- Armor maintenance exhibits
- Cold War military collections
- Museum and educational displays
- Abrams tool-set identification
Approx length 60", Approx width 18", Approx height 10", Approx weight 99lbs.
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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