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Modernized General Mechanic's Tool Kit

NSN 5180-01-483-0249 / 5180-01-483-0250; LIN T28688

(Empty toolbox is NSN 5140-01-474-5389)

GMTK, General Mechanics Tool Kit, LIN T28688.

The COEI / BII Listings and Component Hand Receipts on ArmyProperty.com are valid for all NSN's of the modernized GMTK, which replaces an older version.  The new GMTK is a soldier-portable tool kit designed for use by any repairman requiring basic automotive-type hand tools. It is used by all maintainers in Career Management Field 63. The GMTK is also used as a component in the Forward Repair System (FRS), and is the base kit for the Multi-capable Maintainer Tool Kit (MCMTK) for the newly established MOS 63A, Abrams Main Battle Tank Maintainer, and MOS 63M, Bradley Fighting Vehicle Maintainer.

The GMTK consists of 136 tools including the following:

  • Square drive sockets in both metric and S.A.E. sizes

  • Ratchets

  • Extensions

  • Combination wrenches

  • Flat tip and cross-tip screwdrivers

  • Hammer

  • Flashlight

  • Hole/thread/thickness gages

  • Drive punches

  • Cold chisels

  • Pliers in various styles and sizes

All components are industrial quality. The majority of tools, including the sockets, ratchets, extensions, wrenches, and screwdrivers have a Lifetime Warranty against breakage during normal use.

The entire tool load is contained in a 4-drawer injection molded plastic toolbox that has wheels and a retractable handle for easier mobility. Each drawer has a foam liner with individual cutouts that hold each tool in a specific place, providing the rapid inventory capability required by the soldier. The GMTK can be inventoried in less than 15 minutes. The rapid inventory capability enables the user to identify missing tools immediately, thereby reducing tool loss and pilferage.

  • The toolbox measures 24" wide, 15" deep, and 18" high. It is one of the only toolboxes in the Army that has been tested for durability. Testing included:

  • 60" drop test (fully loaded)

  • 360 degree roll test

  • Water, impact, and crush resistance tests

  • Cold temperature performance 24" drop testing at -25 degrees

The toolbox includes a padlock to secure the exterior of the toolbox during storage of transportation and to secure personal belongings in the interior storage compartment during use. The GMTK is stackable to four high, and weighs about 90 lbs.

The GMTK family NSN is 5180-01-481-8389. This is a reference/procurement number only, not a physical item. The GMTK is bought based on performance specifications. Two vendors have supplied the GMTK. For warranty purposes, separate related NSNs are used to identify each contractors product.

NSN 5180-01-483-0249, supplied by Kipper Tool Company, consists of a green toolbox and primarily S&K and Crescent brand tools.

NSN 5180-01-483-0250, supplied by Danaher Tool Group, consists of a black toolbox and primarily DK/Allen brand tools.

NOTE: The Danaher GMTK (black toolbox - NSN 5180-01-483-0250) is no longer available for purchase. Only the Kipper Tool Company GMTK (green toolbox - NSN 5180-01-483-0249) is available.

The GMTK now has an accessory wheel kit (pictured below) that allows a set of wheels to be attached to the bottom fin of the box. These wheels increase the stability of the box when used on surfaces that are less than smooth.

This kit is only for the Kipper GMTK, LIN T28688, NSN 5180-01-483-0249.  This kit cannot be used with the Danaher GMTK, LIN T28688, NSN 5180-01-483-0250.

(Information taken from TACOM Life Cycle Management Command website)

 

 

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