PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-3150Wrench,box

Ampco Partners, Ltd. Dba Ampco Safety Tools · NSN 5120-00-274-9655 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-274-9655 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-274-9655. Primary manufacturer part number: W-3150.
Features
  • Wrench,box — FSC 5120
  • Small End Head Thickness: 0.406 INCHES MAXIMUM IN
  • Small End Outside Diameter: 0.953 INCHES MAXIMUM IN
  • Special Markings: WRENCH SIZE
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SECOND END IN
  • Material: ALUMINUM ALLOY OVERALL
  • Wrenching Surface Size: 0.562 INCHES NOMINAL FIRST END IN
  • Features Provided: NONMAGNETIC AND NONSPARKING
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-274-9655, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN5120-00-274-9655
Primary Part NumberW-3150
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAmpco Partners, Ltd. Dba Ampco Safety Tools
StatusCANCELLED
Small End Head Thickness0.406 INCHES MAXIMUM IN
Small End Outside Diameter0.953 INCHES MAXIMUM IN
Special MarkingsWRENCH SIZE
Wrenching Surface Size0.625 INCHES NOMINAL SECOND END IN
MaterialALUMINUM ALLOY OVERALL
Wrenching Surface Size0.562 INCHES NOMINAL FIRST END IN
Features ProvidedNONMAGNETIC AND NONSPARKING
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Specification/standard Data05047-ASME B107.100/B107.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Large End Head Thickness0.469 INCHES MAXIMUM IN
Large End Outside Diameter1.062 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-184-8545W-699 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8547WO-3/4 X 13/16 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
5120-00-274-9657W-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
W-3150 Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
112L906PC2 General Electric Company (USA)
W-3150 Ampco Metal Inc. Dba Ampco Metal Inc (USA)
MIL-W-19928 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-W-19928 TY1 General Services Administration Federal Supply Service (USA)
A-A-2490 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.9 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.9 The American Society of Mechanical Engineers (USA)
B107.100 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-184-8545INTERCHANGEABLE
WRENCH,OPEN END
W-699
5120-00-184-8547INTERCHANGEABLE
WRENCH,OPEN END
WO-3/4 X 13/16
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
5120-00-274-9657INTERCHANGEABLE
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
5120-00-277-5781INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-274-9655?

NSN 5120-00-274-9655 is a Wrench,box, 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 5120-00-274-9655?

NSN 5120-00-274-9655 has 9 cross-referenced part numbers: W-3150 (Ampco Partners, Ltd. Dba Ampco Safety Tools), 112L906PC2 (General Electric Company), W-3150 (Ampco Metal Inc. Dba Ampco Metal Inc), MIL-W-19928 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-W-19928 TY1 (General Services Administration Federal Supply Service) and 4 more.

What NSN replaces 5120-00-274-9655?

There are 12 known substitutes for 5120-00-274-9655: 5120-00-184-8545, 5120-00-184-8547, 5120-00-184-8548 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-3150?

Key specifications for W-3150: Small End Head Thickness: 0.406 INCHES MAXIMUM IN; Small End Outside Diameter: 0.953 INCHES MAXIMUM IN; Special Markings: WRENCH SIZE; Wrenching Surface Size: 0.625 INCHES NOMINAL SECOND END IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-274-9655 still in active supply?

NSN 5120-00-274-9655 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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