PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FESU180BSocket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-066-6428 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-066-6428 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-066-6428. Primary manufacturer part number: FESU180B.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.750 INCHES MAXIMUM IN
  • Wrenching End Opening Depth: 0.453 INCHES MINIMUM IN
  • Wrenching End Outside Diameter: 0.825 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Flute Quantity: 12
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-066-6428, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5120-01-066-6428
Primary Part NumberFESU180B
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Drive End Outside Diameter0.750 INCHES MAXIMUM IN
Wrenching End Opening Depth0.453 INCHES MINIMUM IN
Wrenching End Outside Diameter0.825 INCHES MAXIMUM IN
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Flute Quantity12
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorUNIVERSAL JOINT
Features ProvidedMANUAL TOOL
Wrenching Surface ShapeSPLINE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-062-2318 INTERCHANGEABLE
Electron Tube
7330-00-205-309668351 INTERCHANGEABLE
Measure,liquid
The Vollrath Company, L.l.c. Div Vollrath
5120-00-232-5681 INTERCHANGEABLE
Socket,socket Wrench
7240-00-499-80311883554 INTERCHANGEABLE
Waste Receptacle
Rubbermaid Inc
6145-00-865-20588663 INTERCHANGEABLE
Braid,wire
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6680-00-885-69726142D INTERCHANGEABLE
Regulator,pressure,medical Gas a
Avox Systems Inc Dba Avox Systems Inc
5935-00-910-936651-145-0000 INTERCHANGEABLE
Connector,receptacle,electrical
Itt Cannon Rf Products
5940-00-983-6101 INTERCHANGEABLE
Terminal Board
5820-01-132-5097 INTERCHANGEABLE
Switcher,video
1680-01-134-29306142 INTERCHANGEABLE
Bracket,overheat Aft Panel,rhs,c
Meggitt Safety Systems Inc
Cross-Reference Index
Part NumberManufacturer
M8982/5-183 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FESU180B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
6142 Granco Industries Inc (USA)
6142 Wta Tool Llc (USA)
MIL-W-8982 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5960-00-062-2318INTERCHANGEABLE
ELECTRON TUBE
7330-00-205-3096INTERCHANGEABLE
MEASURE,LIQUID
68351
5120-00-232-5681INTERCHANGEABLE
SOCKET,SOCKET WRENCH
7240-00-499-8031INTERCHANGEABLE
WASTE RECEPTACLE
1883554
6145-00-865-2058INTERCHANGEABLE
BRAID,WIRE
8663
6680-00-885-6972INTERCHANGEABLE
REGULATOR,PRESSURE,MEDICAL GAS A
6142D
5935-00-910-9366INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
51-145-0000
5940-00-983-6101INTERCHANGEABLE
TERMINAL BOARD
5820-01-132-5097INTERCHANGEABLE
SWITCHER,VIDEO
1680-01-134-2930INTERCHANGEABLE
BRACKET,OVERHEAT AFT PANEL,RHS,C
6142
5315-01-179-2994INTERCHANGEABLE
PIN,DISK VALVE
6142
5120-01-335-9077INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-066-6428?

NSN 5120-01-066-6428 is a Socket,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-066-6428?

NSN 5120-01-066-6428 has 5 cross-referenced part numbers: M8982/5-183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FESU180B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 6142 (Granco Industries Inc), 6142 (Wta Tool Llc), MIL-W-8982 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5120-01-066-6428?

There are 12 known substitutes for 5120-01-066-6428: 5960-00-062-2318, 7330-00-205-3096, 5120-00-232-5681 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FESU180B?

Key specifications for FESU180B: Drive End Outside Diameter: 0.750 INCHES MAXIMUM IN; Wrenching End Opening Depth: 0.453 INCHES MINIMUM IN; Wrenching End Outside Diameter: 0.825 INCHES MAXIMUM IN; Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN. 14 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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