PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TKLX3GWrench,spanner

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 5120-00-288-8744 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-288-8744 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-288-8744. Primary manufacturer part number: TKLX3G.
Features
  • Wrench,spanner — FSC 5120
  • Features Provided: REPLACEABLE WRENCHING FEATURE
  • Pin Diameter: 0.268 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: PIN
  • Opening Diameter: 2.500 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 2 TYPE AND A GRADE
  • 7 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-00-288-8744, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-288-8744
Primary Part NumberTKLX3G
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusCANCELLED
Features ProvidedREPLACEABLE WRENCHING FEATURE
Pin Diameter0.268 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Style DesignatorPIN
Opening Diameter2.500 INCHES NOMINAL IN
Nondefinitive Spec/std Data2 TYPE AND A GRADE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-232-9510452 INTERCHANGEABLE
Wrench,spanner
Williams J H Industrial Products Inc
5120-00-264-3779459 INTERCHANGEABLE
Wrench,spanner
Martin Sprocket and Gear Inc
5120-00-269-7964 INTERCHANGEABLE
Wrench,spanner
5120-00-277-9078212-45-04PC1559 INTERCHANGEABLE
Wrench,spanner
Naval Ship Systems Command
5120-00-288-8745 INTERCHANGEABLE
Wrench,spanner
5120-00-288-8747 INTERCHANGEABLE
Wrench,spanner
5120-00-288-8748 INTERCHANGEABLE
Wrench,spanner
5120-00-288-87493668-91REVAPC26 INTERCHANGEABLE
Wrench,spanner
Electric Boat Corporation Div General Dynamics Electric Boat
5120-00-288-9281 INTERCHANGEABLE
Wrench,spanner
5120-00-293-079912Z713PC105 INTERCHANGEABLE
Wrench,spanner
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
TKLX4A Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
458 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
GGG-W-665 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
TKLX3G PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
GGG-W-665 TY2GRA General Services Administration Federal Supply Service (USA)
458 PRIMARY Williams J H Industrial Products Inc (USA)
D2003 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
Related Parts
5120-00-232-9510INTERCHANGEABLE
WRENCH,SPANNER
452
5120-00-264-3779INTERCHANGEABLE
WRENCH,SPANNER
459
5120-00-269-7964INTERCHANGEABLE
WRENCH,SPANNER
5120-00-277-9078INTERCHANGEABLE
WRENCH,SPANNER
212-45-04PC1559
5120-00-288-8745INTERCHANGEABLE
WRENCH,SPANNER
5120-00-288-8747INTERCHANGEABLE
WRENCH,SPANNER
5120-00-288-8748INTERCHANGEABLE
WRENCH,SPANNER
5120-00-288-8749INTERCHANGEABLE
WRENCH,SPANNER
3668-91REVAPC26
5120-00-288-9281INTERCHANGEABLE
WRENCH,SPANNER
5120-00-293-0799INTERCHANGEABLE
WRENCH,SPANNER
12Z713PC105
5120-00-294-9513INTERCHANGEABLE
WRENCH,SPANNER
5120-00-494-1991INTERCHANGEABLE
WRENCH,SPANNER
5120-00-494-1991

Frequently Asked Questions

What is NSN 5120-00-288-8744?

NSN 5120-00-288-8744 is a Wrench,spanner, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-288-8744?

NSN 5120-00-288-8744 has 7 cross-referenced part numbers: TKLX4A (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 458 (Trw Inc Hand Tools Div Trw Industrial Products Group), GGG-W-665 (Federal Specifications Promulgated by General Services Administration Washington DC), TKLX3G (Army, United States Department of the Dba Rock Island Arsenal Jmtc), GGG-W-665 TY2GRA (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-00-288-8744?

There are 12 known substitutes for 5120-00-288-8744: 5120-00-232-9510, 5120-00-264-3779, 5120-00-269-7964 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TKLX3G?

Key specifications for TKLX3G: Features Provided: REPLACEABLE WRENCHING FEATURE; Pin Diameter: 0.268 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Overall Length: 7.000 INCHES NOMINAL IN; Material: STEEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-288-8744 still in active supply?

NSN 5120-00-288-8744 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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