PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.100Wrench,box and Open End,combinat

The American Society of Mechanical Engineers · NSN 5120-01-399-8803 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-8803 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-8803. Primary manufacturer part number: B107.100.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Size: 1.812 INCHES NOMINAL BOTH ENDS IN
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: OFFSET
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-399-8803, 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 10 commercial cross-references from 6 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
NSN5120-01-399-8803
Primary Part NumberB107.100
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size1.812 INCHES NOMINAL BOTH ENDS IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorOFFSET
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND D STYLE
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-004-195910632 INTERCHANGEABLE
Electron Tube
Olympus America Inc
5962-00-186-85152868541-1 INTERCHANGEABLE
Microcircuit,linear
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5120-00-203-48001258 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
5977-00-239-4090 INTERCHANGEABLE
Brush,electrical Contact
5960-00-262-0189 INTERCHANGEABLE
Electron Tube
2940-00-497-633351258 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2805-00-517-9909 INTERCHANGEABLE
Valve,poppet,engine
5305-00-639-86091258 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5340-00-680-8889 INTERCHANGEABLE
Handle,bow
5325-00-835-601211860 INTERCHANGEABLE
Ring,retaining
Paragon Power Inc Sub of Great Lakes Power Products Inc
Cross-Reference Index
Part NumberManufacturer
B107.100 The American Society of Mechanical Engineers (USA)
1258 The Stanley Works Dba Stanley Proto (USA)
AS954 TY2CL4STD General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
J1258 The Stanley Works Dba Stanley Proto (USA)
AS954 TY2CL4STA General Services Administration Federal Supply Service (USA)
1ALC5 W.w. Grainger, Inc. Div Government Sales Division (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
B107.6 The American Society of Mechanical Engineers (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5960-00-004-1959INTERCHANGEABLE
ELECTRON TUBE
10632
5962-00-186-8515INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2868541-1
5120-00-203-4800INTERCHANGEABLE
WRENCH,OPEN END
1258
5977-00-239-4090INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5960-00-262-0189INTERCHANGEABLE
ELECTRON TUBE
2940-00-497-6333INTERCHANGEABLE
FILTER ELEMENT,FLUID
51258
2805-00-517-9909INTERCHANGEABLE
VALVE,POPPET,ENGINE
5305-00-639-8609INTERCHANGEABLE
SCREW,MACHINE
1258
5340-00-680-8889INTERCHANGEABLE
HANDLE,BOW
5325-00-835-6012INTERCHANGEABLE
RING,RETAINING
11860
5340-01-067-5089INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
DEI-1258
5965-01-072-8567INTERCHANGEABLE
HEADSET,ELECTRICAL
1468-7058

Frequently Asked Questions

What is NSN 5120-01-399-8803?

NSN 5120-01-399-8803 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 5120-01-399-8803?

NSN 5120-01-399-8803 has 10 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), 1258 (The Stanley Works Dba Stanley Proto), AS954 TY2CL4STD (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), J1258 (The Stanley Works Dba Stanley Proto) and 5 more.

What NSN replaces 5120-01-399-8803?

There are 12 known substitutes for 5120-01-399-8803: 5960-00-004-1959, 5962-00-186-8515, 5120-00-203-4800 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.100?

Key specifications for B107.100: Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL; Head Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Size: 1.812 INCHES NOMINAL BOTH ENDS IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-8803 still in active supply?

NSN 5120-01-399-8803 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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