PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.6Wrench,box and Open End,combinat

The American Society of Mechanical Engineers · NSN 5120-00-228-9503 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-228-9503 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-228-9503. Primary manufacturer part number: B107.6.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE
  • Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-00-228-9503, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-228-9503
Primary Part NumberB107.6
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Wrenching Surface ShapeOVAL FIRST END INTERNAL
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND B STYLE
Head Angle15.0 DEGREES NOMINAL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.312 INCHES NOMINAL BOTH ENDS IN
Style DesignatorOFFSET
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6125-00-040-9702 INTERCHANGEABLE
Housing,blower Dyna
6150-00-383-2506234-0265-00 INTERCHANGEABLE
Housing,electrical Rotating Equi
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6930-00-480-308844691 INTERCHANGEABLE
Gear-Air Speed
Cae Usa Inc.
5120-01-398-929188290 INTERCHANGEABLE
Wrench,box and Open End,combinat
S K Hand Tool Corp
Cross-Reference Index
Part NumberManufacturer
B107.6 The American Society of Mechanical Engineers (USA)
AS954 TY2CL4STB General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
73G1453 International Business Machines Corporation Dba IBM (USA)
GGG-W-636 TY3 General Services Administration Federal Supply Service (USA)
44691 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
A-A-1358 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
033-002372-001 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
9-44691 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
5441A12 Mcmaster-Carr Supply Co (USA)
00944691000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
BSM0-V-P400-WRC-000 Bluesky Mast, Inc. (USA)
AS954 Sae International Dba Sae International (USA)
771752111509 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
Related Parts
6125-00-040-9702INTERCHANGEABLE
HOUSING,BLOWER DYNA
6150-00-383-2506INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
234-0265-00
6930-00-480-3088INTERCHANGEABLE
GEAR-AIR SPEED
44691
5120-01-398-9291INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
88290

Frequently Asked Questions

What is NSN 5120-00-228-9503?

NSN 5120-00-228-9503 is a Wrench,box and Open End,combinat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-228-9503?

NSN 5120-00-228-9503 has 17 cross-referenced part numbers: B107.6 (The American Society of Mechanical Engineers), AS954 TY2CL4STB (General Services Administration Federal Supply Service), B107.100 (The American Society of Mechanical Engineers), 73G1453 (International Business Machines Corporation Dba IBM), GGG-W-636 TY3 (General Services Administration Federal Supply Service) and 12 more.

What NSN replaces 5120-00-228-9503?

There are 4 known substitutes for 5120-00-228-9503: 6125-00-040-9702, 6150-00-383-2506, 6930-00-480-3088 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.6?

Key specifications for B107.6: Overall Length: 3.94 INCHES MINIMUM AND 4.92 INCHES MAXIMUM IN; Wrenching Surface Shape: OVAL FIRST END INTERNAL; Material: STEEL OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-228-9503 still in active supply?

NSN 5120-00-228-9503 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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