PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T102040Wrench,spanner

Bell Textron Inc · NSN 5120-01-047-0250 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-047-0250 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-047-0250. Primary manufacturer part number: T102040.
Features
  • Wrench,spanner — FSC 5120
  • Material: STEEL COMP 4140 OVERALL
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Outside Diameter: 3.750 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Bell Textron Inc
Applications
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-01-047-0250, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bell Textron Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-047-0250
Primary Part NumberT102040
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBell Textron Inc
StatusACTIVE
MaterialSTEEL COMP 4140 OVERALL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Outside Diameter3.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-075-0472 INTERCHANGEABLE
Brush,electrical Contact
5935-00-088-7403417657-1 INTERCHANGEABLE
Connector,plug,electrical
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5961-00-142-4739673-1G INTERCHANGEABLE
Rectifier,semiconductor Device,u
Micro Uspd Inc
5915-00-155-76261168A INTERCHANGEABLE
Filter,radio Frequency Interfere
Cornell-Dubilier Marketing Inc
1660-00-328-60346747 INTERCHANGEABLE
Cover,regulator
Avox Systems Inc Dba Avox Systems Inc
2520-00-392-3583X117C INTERCHANGEABLE
Collar,clutch Shift
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5961-00-442-7774673-2 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Micro Uspd Inc
5998-00-488-0741 INTERCHANGEABLE
Circuit Card Assembly
5998-00-488-0788 INTERCHANGEABLE
Circuit Card Assembly
5950-00-841-4216712099-133 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
6747 Granco Industries Inc (USA)
T102040 PRIMARY Bell Textron Inc (USA)
6731 Granco Industries Inc (USA)
Related Parts
5977-00-075-0472INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5935-00-088-7403INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
417657-1
5961-00-142-4739INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
673-1G
5915-00-155-7626INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1168A
1660-00-328-6034INTERCHANGEABLE
COVER,REGULATOR
6747
2520-00-392-3583INTERCHANGEABLE
COLLAR,CLUTCH SHIFT
X117C
5961-00-442-7774INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
673-2
5998-00-488-0741INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5998-00-488-0788INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5950-00-841-4216INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
712099-133
5955-00-880-6516INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
77C706673P1
5360-00-889-9993INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6731

Frequently Asked Questions

What is NSN 5120-01-047-0250?

NSN 5120-01-047-0250 is a Wrench,spanner, manufactured by Bell Textron Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-047-0250?

NSN 5120-01-047-0250 has 3 cross-referenced part numbers: 6747 (Granco Industries Inc), T102040 (Bell Textron Inc), 6731 (Granco Industries Inc).

What NSN replaces 5120-01-047-0250?

There are 12 known substitutes for 5120-01-047-0250: 5977-00-075-0472, 5935-00-088-7403, 5961-00-142-4739 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T102040?

Key specifications for T102040: Material: STEEL COMP 4140 OVERALL; Overall Length: 6.200 INCHES NOMINAL IN; Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Outside Diameter: 3.750 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

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