PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.39 TY3Wrench,open End

General Services Administration Federal Supply Service · NSN 5120-00-277-2328 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-2328 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-2328. Primary manufacturer part number: B107.39 TY3.
Features
  • Wrench,open End — FSC 5120
  • Material: STEEL OVERALL
  • Style Designator: DOUBLE HEAD
  • Wrenching Surface Size: 0.812 INCHES NOMINAL SECOND END IN
  • Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.750 INCHES NOMINAL FIRST END IN
  • 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 5120-00-277-2328, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-277-2328
Primary Part NumberB107.39 TY3
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
MaterialSTEEL OVERALL
Style DesignatorDOUBLE HEAD
Wrenching Surface Size0.812 INCHES NOMINAL SECOND END IN
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.750 INCHES NOMINAL FIRST END IN
Large End Head Angle15.0 DEGREES NOMINAL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM
Small End Head Angle15.0 DEGREES NOMINAL
Nondefinitive Spec/std Data3 TYPE
Small End Head Thickness0.219 INCHES MAXIMUM IN
Large End Head Thickness0.219 INCHES MAXIMUM IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-184-8621 INTERCHANGEABLE
Wrench,open End
5120-00-203-538441-9836-500-500 INTERCHANGEABLE
Wrench Set,open End,fixed
Chief of Engineers Dept of Army
5120-00-240-1589 INTERCHANGEABLE
Wrench,open End
5120-00-277-1322 INTERCHANGEABLE
Wrench,open End
5120-00-277-2327 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
5120-00-541-0895 INTERCHANGEABLE
Wrench,open End
5120-01-399-9902 INTERCHANGEABLE
Wrench,open End
Cross-Reference Index
Part NumberManufacturer
B107.39 TY3 General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
425 Bonney Forge Corp (USA)
B107.39 The American Society of Mechanical Engineers (USA)
A-A-1348 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.100 The American Society of Mechanical Engineers (USA)
B107.100 CAT 39 TY3 General Services Administration Federal Supply Service (USA)
GGG-W-636 TY10CL1 General Services Administration Federal Supply Service (USA)
B107.6 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-184-8621INTERCHANGEABLE
WRENCH,OPEN END
5120-00-203-5384INTERCHANGEABLE
WRENCH SET,OPEN END,FIXED
41-9836-500-500
5120-00-240-1589INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-1322INTERCHANGEABLE
WRENCH,OPEN END
5120-00-277-2327INTERCHANGEABLE
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
5120-01-399-9902INTERCHANGEABLE
WRENCH,OPEN END
5120-01-400-0242INTERCHANGEABLE
WRENCH,OPEN END
5120-01-428-8233INTERCHANGEABLE
WRENCH,OPEN END
LTA4042

Frequently Asked Questions

What is NSN 5120-00-277-2328?

NSN 5120-00-277-2328 is a Wrench,open End, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-2328?

NSN 5120-00-277-2328 has 9 cross-referenced part numbers: B107.39 TY3 (General Services Administration Federal Supply Service), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 425 (Bonney Forge Corp), B107.39 (The American Society of Mechanical Engineers), A-A-1348 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 5120-00-277-2328?

There are 12 known substitutes for 5120-00-277-2328: 5120-00-184-8621, 5120-00-203-5384, 5120-00-240-1589 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.39 TY3?

Key specifications for B107.39 TY3: Material: STEEL OVERALL; Style Designator: DOUBLE HEAD; Overall Length: 8.000 INCHES MINIMUM IN; Wrenching Surface Size: 0.812 INCHES NOMINAL SECOND END IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-2328 still in active supply?

NSN 5120-00-277-2328 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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