PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.100Wrench,box and Open End,combinat

The American Society of Mechanical Engineers · NSN 5120-01-431-1012 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-1012 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-1012. Primary manufacturer part number: B107.100.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Features Provided: FULL POLISH
  • Nondefinitive Spec/std Data: 1 STYLE
  • Style Designator: OFFSET
  • Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Size: 10.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching Surface Shape: 6 POINT SECOND END INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-431-1012, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-431-1012
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
Features ProvidedFULL POLISH
Nondefinitive Spec/std Data1 STYLE
Style DesignatorOFFSET
Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size10.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching Surface Shape6 POINT SECOND END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Specification/standard Data05047-ASME B107.100 CAT 6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2915-00-020-656042867 INTERCHANGEABLE
Parts Kit,valve,ove
Meggitt North Hollywood Inc
3110-00-142-4370 INTERCHANGEABLE
Cup,tapered Roller Bearing
5950-00-419-5342SM-B-619140 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2930-00-789-0871 INTERCHANGEABLE
Pump,cooling System,engine
4820-01-248-727442867 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5365-01-684-773142867 INTERCHANGEABLE
Spacer,sleeve
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
B107.100 The American Society of Mechanical Engineers (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
42867 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00942867000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.100 CAT 6 ST1 General Services Administration Federal Supply Service (USA)
B107.6 The American Society of Mechanical Engineers (USA)
9-42867 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
2915-00-020-6560INTERCHANGEABLE
PARTS KIT,VALVE,OVE
42867
3110-00-142-4370INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5950-00-419-5342INTERCHANGEABLE
REACTOR
SM-B-619140
2930-00-789-0871INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
4820-01-248-7274INTERCHANGEABLE
CAP,VALVE
42867
5365-01-684-7731INTERCHANGEABLE
SPACER,SLEEVE
42867

Frequently Asked Questions

What is NSN 5120-01-431-1012?

NSN 5120-01-431-1012 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 5120-01-431-1012?

NSN 5120-01-431-1012 has 7 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), B107.6 TY1 (General Services Administration Federal Supply Service), 42867 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00942867000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.100 CAT 6 ST1 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-01-431-1012?

There are 6 known substitutes for 5120-01-431-1012: 2915-00-020-6560, 3110-00-142-4370, 5950-00-419-5342 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.100?

Key specifications for B107.100: Features Provided: FULL POLISH; Nondefinitive Spec/std Data: 1 STYLE; Overall Length: 110.0 MILLIMETERS MINIMUM AND 177.0 MILLIMETERS MAXIMUM MM; Style Designator: OFFSET. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-431-1012 still in active supply?

NSN 5120-01-431-1012 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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