PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-154Wrench,adjustable

Ngk Metals Corporation Dba N G K Berylco · NSN 5120-00-278-0341 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-278-0341 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-278-0341. Primary manufacturer part number: W-154.
Features
  • Wrench,adjustable — FSC 5120
  • Material: COPPER ALLOY OVERALL
  • Features Provided: NONMAGNETIC AND NONSPARKING
  • Wrenching Surface Size: 1.125 INCHES MAXIMUM SINGLE END IN
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Style Designator: OPEN END SINGLE HEAD RACK AND WORM ADJUSTMENT
  • Head Thickness: 0.625 INCHES MAXIMUM IN
  • 10 verified cross-references
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Wrench,adjustable, cataloged under National Stock Number 5120-00-278-0341, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ngk Metals Corporation Dba N G K Berylco. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-278-0341
Primary Part NumberW-154
Item NameWrench,adjustable
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNgk Metals Corporation Dba N G K Berylco
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Features ProvidedNONMAGNETIC AND NONSPARKING
Wrenching Surface Size1.125 INCHES MAXIMUM SINGLE END IN
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Style DesignatorOPEN END SINGLE HEAD RACK AND WORM ADJUSTMENT
Head Thickness0.625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-020-8229W154 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
5940-00-103-4851F3052C INTERCHANGEABLE
Terminal,lug
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5120-00-264-3794W-155 INTERCHANGEABLE
Wrench,adjustable
Ngk Metals Corporation Dba N G K Berylco
5120-00-277-9086W-1145 INTERCHANGEABLE
Wrench,adjustable
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-277-9087W-1146 INTERCHANGEABLE
Wrench,adjustable
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-277-9088W-1147 INTERCHANGEABLE
Wrench,adjustable
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-277-90895120-00-277-9089 INTERCHANGEABLE
Wrench,adjustable
General Services Administration Federal Supply Service
5120-00-278-0340W-152 INTERCHANGEABLE
Wrench,adjustable
Ngk Metals Corporation Dba N G K Berylco
5120-00-293-0008W-156 INTERCHANGEABLE
Wrench,adjustable
Ngk Metals Corporation Dba N G K Berylco
5120-00-293-0031W-153 INTERCHANGEABLE
Wrench,adjustable
Ngk Metals Corporation Dba N G K Berylco
Cross-Reference Index
Part NumberManufacturer
01.56.96.79 Vanas (BEL)
MIL-W-17912 TY1 General Services Administration Federal Supply Service (USA)
01.56.96.79 Cebeo (BEL)
W-154 PRIMARY Ngk Metals Corporation Dba N G K Berylco (USA)
MIL-W-17912 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5120PL2122581 Jednolity Indeks Materialowy - Uniform Material Index (POL)
W-72 Ampco Metal Inc. Dba Ampco Metal Inc (USA)
A-A-2489 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
W-72 PRIMARY Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
W-154-2349 Ngk Metals Corporation Dba N G K Berylco (USA)
Related Parts
5999-00-020-8229INTERCHANGEABLE
HEATER,THERMAL RELEASE
W154
5940-00-103-4851INTERCHANGEABLE
TERMINAL,LUG
F3052C
5120-00-264-3794INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-155
5120-00-277-9086INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-1145
5120-00-277-9087INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-1146
5120-00-277-9088INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-1147
5120-00-277-9089INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-00-277-9089
5120-00-278-0340INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-152
5120-00-293-0008INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-156
5120-00-293-0031INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-153
5120-00-293-3009INTERCHANGEABLE
WRENCH,ADJUSTABLE
W-1148
2910-00-361-5410INTERCHANGEABLE
NOZZLE,FUEL INJECTION
X-260

Frequently Asked Questions

What is NSN 5120-00-278-0341?

NSN 5120-00-278-0341 is a Wrench,adjustable, manufactured by Ngk Metals Corporation Dba N G K Berylco, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-278-0341?

NSN 5120-00-278-0341 has 10 cross-referenced part numbers: 01.56.96.79 (Vanas), MIL-W-17912 TY1 (General Services Administration Federal Supply Service), 01.56.96.79 (Cebeo), W-154 (Ngk Metals Corporation Dba N G K Berylco), MIL-W-17912 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5120-00-278-0341?

There are 12 known substitutes for 5120-00-278-0341: 5999-00-020-8229, 5940-00-103-4851, 5120-00-264-3794 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-154?

Key specifications for W-154: Material: COPPER ALLOY OVERALL; Features Provided: NONMAGNETIC AND NONSPARKING; Wrenching Surface Size: 1.125 INCHES MAXIMUM SINGLE END IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL. 7 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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