PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53-106Wrench,open End

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-531-6185 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-531-6185 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-531-6185. Primary manufacturer part number: 53-106.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Thickness: 7.9 MILLIMETERS NOMINAL MM
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Material: STEEL OVERALL
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Style Designator: DOUBLE HEAD
  • Surface Treatment: CHROMIUM OVERALL
  • Small End Head Thickness: 7.9 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-531-6185, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-531-6185
Primary Part Number53-106
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Large End Head Thickness7.9 MILLIMETERS NOMINAL MM
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
MaterialSTEEL OVERALL
Small End Head Angle15.0 DEGREES NOMINAL
Style DesignatorDOUBLE HEAD
Surface TreatmentCHROMIUM OVERALL
Small End Head Thickness7.9 MILLIMETERS NOMINAL MM
Wrenching Surface Size19.0 MILLIMETERS NOMINAL FIRST END MM
Large End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size22.0 MILLIMETERS NOMINAL SECOND END MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-371-2870 INTERCHANGEABLE
Switch,rotary
3040-00-392-7892SM-B-148608 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-537-0312 INTERCHANGEABLE
Gasket
5320-01-491-624553-106 INTERCHANGEABLE
Rivet Assortment
Us Air Tool Co., Inc.
3120-01-664-949553106 INTERCHANGEABLE
Bearing,sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5325-01-733-126253106 INTERCHANGEABLE
Insert,screw Thread
Klein Tools Inc Zah Group Inc Div International Sales
Cross-Reference Index
Part NumberManufacturer
53-106 Apex Tool Group, Llc Dba Nicholson (USA)
53-106 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
53-106 Armstrong Bros Tool Co (USA)
Related Parts
5930-00-371-2870INTERCHANGEABLE
SWITCH,ROTARY
3040-00-392-7892INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-B-148608
5330-00-537-0312INTERCHANGEABLE
GASKET
5320-01-491-6245INTERCHANGEABLE
RIVET ASSORTMENT
53-106
3120-01-664-9495INTERCHANGEABLE
BEARING,SLEEVE
53106
5325-01-733-1262INTERCHANGEABLE
INSERT,SCREW THREAD
53106

Frequently Asked Questions

What is NSN 5120-01-531-6185?

NSN 5120-01-531-6185 is a Wrench,open End, 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 5120-01-531-6185?

NSN 5120-01-531-6185 has 3 cross-referenced part numbers: 53-106 (Apex Tool Group, Llc Dba Nicholson), 53-106 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 53-106 (Armstrong Bros Tool Co).

What NSN replaces 5120-01-531-6185?

There are 6 known substitutes for 5120-01-531-6185: 5930-00-371-2870, 3040-00-392-7892, 5330-00-537-0312 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53-106?

Key specifications for 53-106: Large End Head Thickness: 7.9 MILLIMETERS NOMINAL MM; Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL; Material: STEEL OVERALL; Small End Head Angle: 15.0 DEGREES NOMINAL. 11 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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