PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8B-7563Handle,extension,wrench

Caterpillar Inc Div Caterpillar Defense · NSN 5120-00-449-7042 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-449-7042 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-449-7042. Primary manufacturer part number: 8B-7563.
Features
  • Handle,extension,wrench — FSC 5120
  • Opening Diameter: 0.875 INCHES NOMINAL IN
  • Outside Diameter: 1.125 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: STRAIGHT TUBULAR
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
  • 5 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Applications requiring Steel Overall construction
General Description

The Handle,extension,wrench, cataloged under National Stock Number 5120-00-449-7042, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5120-00-449-7042
Primary Part Number8B-7563
Item NameHandle,extension,wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Opening Diameter0.875 INCHES NOMINAL IN
Outside Diameter1.125 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT TUBULAR
Hardness Rating40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-100-7104 INTERCHANGEABLE
Electron Tube
5120-00-288-7768 INTERCHANGEABLE
Handle,extension,wrench
2940-00-376-8579C121E INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5120-00-473-632036B INTERCHANGEABLE
Handle,extension,wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5960-00-617-5630 INTERCHANGEABLE
Electron Tube
5999-00-636-534424A INTERCHANGEABLE
Clip,electrical
Mueller Electric Company, Inc. Div Mueller Electric Company
5120-00-653-4048RJ24A INTERCHANGEABLE
Jack,rack Bar
Templeton Kenly and Co Inc
6135-00-826-4798E92 INTERCHANGEABLE
Battery,nonrechargeable
Eveready Battery Co Inc
5340-00-826-5695T-13X INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
Caplugs Llc Dba Mokon Div Caplugs
5120-00-933-4101 INTERCHANGEABLE
Handle,extension,wrench
Cross-Reference Index
Part NumberManufacturer
GGG-W-636 TY19 General Services Administration Federal Supply Service (USA)
8B-7563 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
24A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
24A Sna Germany Gmbh (DEU)
Related Parts
5960-00-100-7104INTERCHANGEABLE
ELECTRON TUBE
5120-00-288-7768INTERCHANGEABLE
HANDLE,EXTENSION,WRENCH
2940-00-376-8579INTERCHANGEABLE
FILTER ELEMENT,FLUID
C121E
5120-00-473-6320INTERCHANGEABLE
HANDLE,EXTENSION,WRENCH
36B
5960-00-617-5630INTERCHANGEABLE
ELECTRON TUBE
5999-00-636-5344INTERCHANGEABLE
CLIP,ELECTRICAL
24A
5120-00-653-4048INTERCHANGEABLE
JACK,RACK BAR
RJ24A
6135-00-826-4798INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
E92
5340-00-826-5695INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
T-13X
5120-00-933-4101INTERCHANGEABLE
HANDLE,EXTENSION,WRENCH
5999-00-941-1933INTERCHANGEABLE
CLIP,ELECTRICAL
8340-00-951-0986INTERCHANGEABLE
JOINT,TENT ARCH SEGMENT

Frequently Asked Questions

What is NSN 5120-00-449-7042?

NSN 5120-00-449-7042 is a Handle,extension,wrench, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-449-7042?

NSN 5120-00-449-7042 has 5 cross-referenced part numbers: GGG-W-636 TY19 (General Services Administration Federal Supply Service), 8B-7563 (Caterpillar Inc Div Caterpillar Defense), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 24A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 24A (Sna Germany Gmbh).

What NSN replaces 5120-00-449-7042?

There are 12 known substitutes for 5120-00-449-7042: 5960-00-100-7104, 5120-00-288-7768, 2940-00-376-8579 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8B-7563?

Key specifications for 8B-7563: Opening Diameter: 0.875 INCHES NOMINAL IN; Outside Diameter: 1.125 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: STRAIGHT TUBULAR. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-449-7042 still in active supply?

NSN 5120-00-449-7042 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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