PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.100Wrench,open End

The American Society of Mechanical Engineers · NSN 5120-01-428-8284 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-8284 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-8284. Primary manufacturer part number: B107.100.
Features
  • Wrench,open End — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 1.438 INCHES NOMINAL SECOND END IN
  • Nondefinitive Spec/std Data: 3 TYPE
  • Wrenching Surface Size: 1.375 INCHES NOMINAL FIRST END IN
  • Style Designator: THIN DOUBLE HEAD
  • Material: STEEL OVERALL
  • Large End Head Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-428-8284, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN5120-01-428-8284
Primary Part NumberB107.100
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size1.438 INCHES NOMINAL SECOND END IN
Nondefinitive Spec/std Data3 TYPE
Wrenching Surface Size1.375 INCHES NOMINAL FIRST END IN
Style DesignatorTHIN DOUBLE HEAD
MaterialSTEEL OVERALL
Large End Head Angle15.0 DEGREES NOMINAL
Small End Head Angle15.0 DEGREES NOMINAL
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-184-8560 INTERCHANGEABLE
Wrench,open End
5120-00-184-8563 INTERCHANGEABLE
Wrench,open End
5120-00-184-8565K35521 INTERCHANGEABLE
Wrench,open End
The Boeing Company
5120-00-184-8572ST00188-35 INTERCHANGEABLE
Wrench,open End
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5120-00-184-8621 INTERCHANGEABLE
Wrench,open End
5120-00-277-1322 INTERCHANGEABLE
Wrench,open End
5120-00-277-2327 INTERCHANGEABLE
Wrench,open End
5120-00-277-2328 INTERCHANGEABLE
Wrench,open End
5120-00-277-2329 INTERCHANGEABLE
Wrench,open End
5120-00-277-4833 INTERCHANGEABLE
Wrench,open End
Cross-Reference Index
Part NumberManufacturer
B107.100 The American Society of Mechanical Engineers (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
B107.39 The American Society of Mechanical Engineers (USA)
B107.39 TY1CL2 General Services Administration Federal Supply Service (USA)
LTA4446 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.100 CAT 39 TY3 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-184-8560INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8563INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8565INTERCHANGEABLE
WRENCH,OPEN END
K35521
5120-00-184-8572INTERCHANGEABLE
WRENCH,OPEN END
ST00188-35
5120-00-184-8621INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-1322INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-2327INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-2328INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-2329INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-4833INTERCHANGEABLE
WRENCH,OPEN END
5120-00-473-6538INTERCHANGEABLE
WRENCH,OPEN END
5120-00-541-0895INTERCHANGEABLE
WRENCH,OPEN END

Frequently Asked Questions

What is NSN 5120-01-428-8284?

NSN 5120-01-428-8284 is a Wrench,open End, 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 5120-01-428-8284?

NSN 5120-01-428-8284 has 6 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), B107.100 CAT 39 TY1 (General Services Administration Federal Supply Service), B107.39 (The American Society of Mechanical Engineers), B107.39 TY1CL2 (General Services Administration Federal Supply Service), LTA4446 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 1 more.

What NSN replaces 5120-01-428-8284?

There are 12 known substitutes for 5120-01-428-8284: 5120-00-184-8560, 5120-00-184-8563, 5120-00-184-8565 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.100?

Key specifications for B107.100: Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Size: 1.438 INCHES NOMINAL SECOND END IN; Nondefinitive Spec/std Data: 3 TYPE; Wrenching Surface Size: 1.375 INCHES NOMINAL FIRST END IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-428-8284 still in active supply?

NSN 5120-01-428-8284 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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