PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GT7Wrench,spanner

Northrop Grumman Systems Corporation · NSN 5120-00-510-1009 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-510-1009 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-510-1009. Primary manufacturer part number: GT7.
Features
  • Wrench,spanner — FSC 5120
  • Lug Thickness: 0.063 INCHES NOMINAL IN
  • Material: STEEL COMP 4130 OVERALL
  • Opening Diameter: 0.260 INCHES NOMINAL IN
  • Lug Width: 0.037 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Functional Description: USED ON CABIN HOOD SPACER NUT G372
  • Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Applications
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-00-510-1009, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-510-1009
Primary Part NumberGT7
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Lug Thickness0.063 INCHES NOMINAL IN
MaterialSTEEL COMP 4130 OVERALL
Opening Diameter0.260 INCHES NOMINAL IN
Lug Width0.037 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Functional DescriptionUSED ON CABIN HOOD SPACER NUT G372
Hardness Rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Style DesignatorTUBULAR LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-156-1714 INTERCHANGEABLE
Bearing,ball,thrust
Cross-Reference Index
Part NumberManufacturer
GT7 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
3110-00-156-1714INTERCHANGEABLE
BEARING,BALL,THRUST

Frequently Asked Questions

What is NSN 5120-00-510-1009?

NSN 5120-00-510-1009 is a Wrench,spanner, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-510-1009?

NSN 5120-00-510-1009 has 1 cross-referenced part number: GT7 (Northrop Grumman Systems Corporation).

What NSN replaces 5120-00-510-1009?

There is 1 known substitute for 5120-00-510-1009: 3110-00-156-1714. Verify interchangeability with system specifications before substitution.

What are the specifications of GT7?

Key specifications for GT7: Lug Thickness: 0.063 INCHES NOMINAL IN; Material: STEEL COMP 4130 OVERALL; Opening Diameter: 0.260 INCHES NOMINAL IN; Lug Width: 0.037 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-510-1009 still in active supply?

NSN 5120-00-510-1009 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.
PartsTable Design LLC · partstable.com