PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80634Socket,socket Wrench

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-664-1688 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-664-1688 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-664-1688. Primary manufacturer part number: 80634.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching End Opening Depth: 0.768 INCHES NOMINAL IN
  • Drive End Outside Diameter: 1.177 INCHES NOMINAL IN
  • Wrenching End Outside Diameter: 1.177 INCHES NOMINAL IN
  • Surface Treatment: CHROMIUM OVERALL
  • Special Markings: 22MM MM
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-664-1688, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-664-1688
Primary Part Number80634
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
MaterialSTEEL OVERALL
Wrenching End Opening Depth0.768 INCHES NOMINAL IN
Drive End Outside Diameter1.177 INCHES NOMINAL IN
Wrenching End Outside Diameter1.177 INCHES NOMINAL IN
Surface TreatmentCHROMIUM OVERALL
Special Markings22MM MM
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size22.0 MILLIMETERS NOMINAL SINGLE END MM
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-272-13827810K2 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5210-01-260-821580634 INTERCHANGEABLE
Gage,surface
Starrett L S the Co Starrett Granite Surface Plate Div
3040-01-340-141080-63-4 INTERCHANGEABLE
Shaft,straight
Mohn Frank Houston Inc
5310-01-652-269480638-02G INTERCHANGEABLE
Nut,self-Locking,hexagon
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
80634 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5930-00-272-1382INTERCHANGEABLE
SWITCH,TOGGLE
7810K2
5210-01-260-8215INTERCHANGEABLE
GAGE,SURFACE
80634
3040-01-340-1410INTERCHANGEABLE
SHAFT,STRAIGHT
80-63-4
5310-01-652-2694INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
80638-02G

Frequently Asked Questions

What is NSN 5120-01-664-1688?

NSN 5120-01-664-1688 is a Socket,socket Wrench, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-664-1688?

NSN 5120-01-664-1688 has 1 cross-referenced part number: 80634 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-664-1688?

There are 4 known substitutes for 5120-01-664-1688: 5930-00-272-1382, 5210-01-260-8215, 3040-01-340-1410 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80634?

Key specifications for 80634: Material: STEEL OVERALL; Wrenching End Opening Depth: 0.768 INCHES NOMINAL IN; Drive End Outside Diameter: 1.177 INCHES NOMINAL IN; Wrenching End Outside Diameter: 1.177 INCHES NOMINAL IN. 13 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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