PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61-127Wrench,open End

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-00-187-7129 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-187-7129 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-187-7129. Primary manufacturer part number: 61-127.
Features
  • Wrench,open End — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.812 INCHES NOMINAL SECOND END IN
  • Large End Head Angle: 15.0 DEGREES NOMINAL
  • Style Designator: DOUBLE HEAD
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Wrenching Surface Size: 0.750 INCHES NOMINAL FIRST END IN
  • Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-187-7129, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 17 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
NSN5120-00-187-7129
Primary Part Number61-127
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.812 INCHES NOMINAL SECOND END IN
Large End Head Angle15.0 DEGREES NOMINAL
Style DesignatorDOUBLE HEAD
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Wrenching Surface Size0.750 INCHES NOMINAL FIRST END IN
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Small End Head Angle15.0 DEGREES NOMINAL
Small End Head Thickness0.375 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE
Large End Head Thickness0.375 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3439-00-020-8596 INTERCHANGEABLE
Heating Unit,electric Soldering
5305-00-072-35586110SS1032-7 INTERCHANGEABLE
Screw,externally Relieved Body
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5930-00-108-69112154ALSPC30 INTERCHANGEABLE
Switch,toggle
Dynalec Corporation
6645-00-225-27324037 INTERCHANGEABLE
Wheel,eight Day
Wakmann Watch Company Inc
2910-00-333-3834 INTERCHANGEABLE
Pump,fuel,cam Actuated
5355-00-408-26384037 INTERCHANGEABLE
Dial Assy
Vemaline Products Inc Dba Handles Unlimited Div Handles Unlimited
5305-00-408-59874037 INTERCHANGEABLE
Thumbscrew
Roller Bearing Co of America, Inc Div Pic Design
9540-00-528-8803DIE61127 INTERCHANGEABLE
Beam,structural
Aluminum Co of America
4720-00-540-26004037 INTERCHANGEABLE
Hose,air Duct
Flexaust Inc
5950-00-735-639661127 INTERCHANGEABLE
Transformer,audio Frequency
Hammond Mfg Co Ltd
Cross-Reference Index
Part NumberManufacturer
61-127 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
1731 Bonney Forge Corp (USA)
26-121 Armstrong Bros Tool Co (USA)
A26-121 Henchman Products Pty Ltd (AUS)
GGG-W-636 TY4 General Services Administration Federal Supply Service (USA)
08779 Textron Inc Jacobsen Div (USA)
61-127 Apex Tool Group, Llc Dba Nicholson (USA)
B107.100 The American Society of Mechanical Engineers (USA)
4037 American Kal Enterprises, Inc Dba American Kal Enterprises (USA)
B107.100 CAT 39 TY1CL1 General Services Administration Federal Supply Service (USA)
1731 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.39 TY1CL1 General Services Administration Federal Supply Service (USA)
1731 Williams J H Industrial Products Inc (USA)
5120PL1327147 Jednolity Indeks Materialowy - Uniform Material Index (POL)
A26-121 Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ARM 26-121 Kipper Tool Company Dba Kipper Management Inc (USA)
26-121 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.39 The American Society of Mechanical Engineers (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
Related Parts
3439-00-020-8596INTERCHANGEABLE
HEATING UNIT,ELECTRIC SOLDERING
5305-00-072-3558INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
6110SS1032-7
5930-00-108-6911INTERCHANGEABLE
SWITCH,TOGGLE
2154ALSPC30
6645-00-225-2732INTERCHANGEABLE
WHEEL,EIGHT DAY
4037
2910-00-333-3834INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
5355-00-408-2638INTERCHANGEABLE
DIAL ASSY
4037
5305-00-408-5987INTERCHANGEABLE
THUMBSCREW
4037
9540-00-528-8803INTERCHANGEABLE
BEAM,STRUCTURAL
DIE61127
4720-00-540-2600INTERCHANGEABLE
HOSE,AIR DUCT
4037
5950-00-735-6396INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61127
5365-00-871-6560INTERCHANGEABLE
SPACER,PLATE
A26121
5998-00-902-6698INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
4037

Frequently Asked Questions

What is NSN 5120-00-187-7129?

NSN 5120-00-187-7129 is a Wrench,open End, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-187-7129?

NSN 5120-00-187-7129 has 25 cross-referenced part numbers: 61-127 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 1731 (Bonney Forge Corp), 26-121 (Armstrong Bros Tool Co), A26-121 (Henchman Products Pty Ltd), GGG-W-636 TY4 (General Services Administration Federal Supply Service) and 20 more.

What NSN replaces 5120-00-187-7129?

There are 12 known substitutes for 5120-00-187-7129: 3439-00-020-8596, 5305-00-072-3558, 5930-00-108-6911 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61-127?

Key specifications for 61-127: Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Size: 0.812 INCHES NOMINAL SECOND END IN; Large End Head Angle: 15.0 DEGREES NOMINAL; Special Features: FORGED STEEL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-187-7129 still in active supply?

NSN 5120-00-187-7129 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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