PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.100Wrench,open End

The American Society of Mechanical Engineers · NSN 5120-00-541-0895 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-541-0895 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-541-0895. Primary manufacturer part number: B107.100.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Thickness: 0.125 INCHES NOMINAL IN
  • Style Designator: THIN DOUBLE HEAD, DOUBLE OFFSET BOTH ENDS
  • Nondefinitive Spec/std Data: 3 TYPE
  • Material: STEEL OVERALL
  • Specification/standard Data: 05047-ASME B107.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • 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 5120-00-541-0895, 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 5 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
NSN5120-00-541-0895
Primary Part NumberB107.100
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Large End Head Thickness0.125 INCHES NOMINAL IN
Style DesignatorTHIN DOUBLE HEAD, DOUBLE OFFSET BOTH ENDS
Nondefinitive Spec/std Data3 TYPE
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B107.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Large End Head Angle15.0 DEGREES NOMINAL
Small End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size0.437 INCHES NOMINAL SECOND END IN
Wrenching Surface Size0.375 INCHES NOMINAL FIRST END IN
Small End Head Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
5120-00-473-6538 INTERCHANGEABLE
Wrench,open End
5120-01-399-9902 INTERCHANGEABLE
Wrench,open End
5120-01-400-0242 INTERCHANGEABLE
Wrench,open End
5120-01-428-8233LTA4042 INTERCHANGEABLE
Wrench,open End
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
B107.100 The American Society of Mechanical Engineers (USA)
AN8505-2 Aeronautical Standards Group Dept of Navy and Air Force (USA)
ST00188-02 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
S20102 Lockheed Martin Corp (USA)
B107.39 The American Society of Mechanical Engineers (USA)
B107.39 TY3 General Services Administration Federal Supply Service (USA)
B107.100 CAT 39 TY3 General Services Administration Federal Supply Service (USA)
Related Parts
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
5120-01-399-9902INTERCHANGEABLE
WRENCH,OPEN END
5120-01-400-0242INTERCHANGEABLE
WRENCH,OPEN END
5120-01-428-8233INTERCHANGEABLE
WRENCH,OPEN END
LTA4042
5120-01-428-8244INTERCHANGEABLE
WRENCH,OPEN END
LTA5460
5120-01-428-8284INTERCHANGEABLE
WRENCH,OPEN END

Frequently Asked Questions

What is NSN 5120-00-541-0895?

NSN 5120-00-541-0895 is a Wrench,open End, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-541-0895?

NSN 5120-00-541-0895 has 7 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), AN8505-2 (Aeronautical Standards Group Dept of Navy and Air Force), ST00188-02 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), S20102 (Lockheed Martin Corp), B107.39 (The American Society of Mechanical Engineers) and 2 more.

What NSN replaces 5120-00-541-0895?

There are 12 known substitutes for 5120-00-541-0895: 5120-00-184-8621, 5120-00-277-1322, 5120-00-277-2327 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.100?

Key specifications for B107.100: Large End Head Thickness: 0.125 INCHES NOMINAL IN; Style Designator: THIN DOUBLE HEAD, DOUBLE OFFSET BOTH ENDS; Nondefinitive Spec/std Data: 3 TYPE; Material: STEEL OVERALL. 12 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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