PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WO-3/4 X 13/16Wrench,open End

Ampco Partners, Ltd. Dba Ampco Safety Tools · NSN 5120-00-184-8547 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-184-8547 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-184-8547. Primary manufacturer part number: WO-3/4 X 13/16.
Features
  • Wrench,open End — FSC 5120
  • Material: COPPER ALLOY OVERALL
  • Wrenching Surface Size: 0.750 INCHES NOMINAL FIRST END IN
  • Hardness Rating: 16.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
  • Style Designator: DOUBLE HEAD
  • Features Provided: NONMAGNETIC AND NONSPARKING
  • Small End Head Thickness: 0.562 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.812 INCHES NOMINAL SECOND END IN
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-184-8547, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ampco Partners, Ltd. Dba Ampco Safety Tools. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5120-00-184-8547
Primary Part NumberWO-3/4 X 13/16
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAmpco Partners, Ltd. Dba Ampco Safety Tools
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Wrenching Surface Size0.750 INCHES NOMINAL FIRST END IN
Hardness Rating16.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Style DesignatorDOUBLE HEAD
Features ProvidedNONMAGNETIC AND NONSPARKING
Small End Head Thickness0.562 INCHES MAXIMUM IN
Wrenching Surface Size0.812 INCHES NOMINAL SECOND END IN
Large End Head Angle15.0 DEGREES NOMINAL
Small End Head Angle15.0 DEGREES NOMINAL
Large End Head Thickness0.562 INCHES MAXIMUM IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-184-8545W-699 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8548 INTERCHANGEABLE
Wrench,open End
5120-00-184-8549W-741 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8550W-748 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8682W-3109 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-274-9653W-3130 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-274-9655 INTERCHANGEABLE
Wrench,box
5120-00-274-9657W-3170 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-274-9658 INTERCHANGEABLE
Wrench,box
5120-00-274-9661W-3240 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
Cross-Reference Index
Part NumberManufacturer
MIL-W-19928 TY2 General Services Administration Federal Supply Service (USA)
A-A-2493 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
W-720 Ampco Metal Inc. Dba Ampco Metal Inc (USA)
WO-3/4 X 13/16 PRIMARY Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
MIL-W-19928 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
W-720 Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
Related Parts
5120-00-184-8545INTERCHANGEABLE
WRENCH,OPEN END
W-699
5120-00-184-8548INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8549INTERCHANGEABLE
WRENCH,OPEN END
W-741
5120-00-184-8550INTERCHANGEABLE
WRENCH,OPEN END
W-748
5120-00-184-8682INTERCHANGEABLE
WRENCH,BOX
W-3109
5120-00-274-9653INTERCHANGEABLE
WRENCH,BOX
W-3130
5120-00-274-9655INTERCHANGEABLE
WRENCH,BOX
5120-00-274-9657INTERCHANGEABLE
WRENCH,BOX
W-3170
5120-00-274-9658INTERCHANGEABLE
WRENCH,BOX
5120-00-274-9661INTERCHANGEABLE
WRENCH,BOX
W-3240
5120-00-277-1320INTERCHANGEABLE
WRENCH,OPEN END
41W1065-420
5120-00-287-4525INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-184-8547?

NSN 5120-00-184-8547 is a Wrench,open End, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-184-8547?

NSN 5120-00-184-8547 has 6 cross-referenced part numbers: MIL-W-19928 TY2 (General Services Administration Federal Supply Service), A-A-2493 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), W-720 (Ampco Metal Inc. Dba Ampco Metal Inc), WO-3/4 X 13/16 (Ampco Partners, Ltd. Dba Ampco Safety Tools), MIL-W-19928 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5120-00-184-8547?

There are 12 known substitutes for 5120-00-184-8547: 5120-00-184-8545, 5120-00-184-8548, 5120-00-184-8549 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WO-3/4 X 13/16?

Key specifications for WO-3/4 X 13/16: Material: COPPER ALLOY OVERALL; Overall Length: 9.000 INCHES MINIMUM IN; Wrenching Surface Size: 0.750 INCHES NOMINAL FIRST END IN; Hardness Rating: 16.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-184-8547 still in active supply?

NSN 5120-00-184-8547 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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