PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.39Wrench,open End

The American Society of Mechanical Engineers · NSN 5120-00-277-2326 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-2326 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-2326. Primary manufacturer part number: B107.39.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Thickness: 0.641 INCHES MAXIMUM IN
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 1.625 INCHES NOMINAL SECOND END IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE
  • Style Designator: DOUBLE HEAD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-277-2326, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-277-2326
Primary Part NumberB107.39
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Large End Head Thickness0.641 INCHES MAXIMUM IN
Small End Head Angle15.0 DEGREES NOMINAL
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size1.625 INCHES NOMINAL SECOND END IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE
Style DesignatorDOUBLE HEAD
Large End Head Angle15.0 DEGREES NOMINAL
Small End Head Thickness0.641 INCHES MAXIMUM IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Wrenching Surface Size1.438 INCHES NOMINAL FIRST END IN
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9540-00-027-9167 INTERCHANGEABLE
Angle,structural
3120-00-474-312326199 INTERCHANGEABLE
Bushing,sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Cross-Reference Index
Part NumberManufacturer
B107.39 The American Society of Mechanical Engineers (USA)
26-199 Apex Tool Group, Llc Dba Nicholson (USA)
41 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.6 The American Society of Mechanical Engineers (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-636 TY4 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
1041 Martin Sprocket and Gear Inc (USA)
B107.39 TY1CL1 General Services Administration Federal Supply Service (USA)
26-199 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
26-199 Armstrong Bros Tool Co (USA)
A-A-1356 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
9540-00-027-9167INTERCHANGEABLE
ANGLE,STRUCTURAL
3120-00-474-3123INTERCHANGEABLE
BUSHING,SLEEVE
26199

Frequently Asked Questions

What is NSN 5120-00-277-2326?

NSN 5120-00-277-2326 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 5120-00-277-2326?

NSN 5120-00-277-2326 has 13 cross-referenced part numbers: B107.39 (The American Society of Mechanical Engineers), 26-199 (Apex Tool Group, Llc Dba Nicholson), 41 (Trw Inc Hand Tools Div Trw Industrial Products Group), B107.6 (The American Society of Mechanical Engineers), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 8 more.

What NSN replaces 5120-00-277-2326?

There are 2 known substitutes for 5120-00-277-2326: 9540-00-027-9167, 3120-00-474-3123. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.39?

Key specifications for B107.39: Large End Head Thickness: 0.641 INCHES MAXIMUM IN; Small End Head Angle: 15.0 DEGREES NOMINAL; Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Size: 1.625 INCHES NOMINAL SECOND END IN. 13 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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