PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.100Wrench,open End

The American Society of Mechanical Engineers · NSN 5120-00-277-2693 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-2693 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-2693. Primary manufacturer part number: B107.100.
Features
  • Wrench,open End — FSC 5120
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 0.938 INCHES NOMINAL FIRST END IN
  • Style Designator: DOUBLE HEAD
  • Large End Head Thickness: 0.438 INCHES MAXIMUM IN
  • Wrenching Surface Size: 1.062 INCHES NOMINAL SECOND END IN
  • Nondefinitive Spec/std Data: 1 TYPE
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-277-2693, 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 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-277-2693
Primary Part NumberB107.100
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Small End Head Angle15.0 DEGREES NOMINAL
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.938 INCHES NOMINAL FIRST END IN
Style DesignatorDOUBLE HEAD
Large End Head Thickness0.438 INCHES MAXIMUM IN
Wrenching Surface Size1.062 INCHES NOMINAL SECOND END IN
Nondefinitive Spec/std Data1 TYPE
Small End Head Thickness0.438 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Large End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5130-00-134-4572 INTERCHANGEABLE
Bit,wire Wrapping Tool
5330-00-585-0798 INTERCHANGEABLE
Gasket
6240-00-905-85051034A INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
6625-01-080-76901034A INTERCHANGEABLE
Meter,radio Frequen
Giga-Tronics Incorporated Dba Giga-Tronics
1005-01-375-7616200375 INTERCHANGEABLE
Sight,rear
Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc
5998-01-543-6211 INTERCHANGEABLE
Circuit Card Assembly
5950-01-714-77142003-75 INTERCHANGEABLE
Coil,electrical
Products Support, Llc Dba Vitesse Systems - Jessup, Md
Cross-Reference Index
Part NumberManufacturer
B107.100 The American Society of Mechanical Engineers (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.39 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.39 The American Society of Mechanical Engineers (USA)
GGG-W-636 TY4 General Services Administration Federal Supply Service (USA)
A-A-1356 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
20-0375 Martin Sprocket and Gear Inc (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
1034A Martin Sprocket and Gear Inc (USA)
13656B Hercules Engine Co Inc (USA)
41W1065-26 Marine Corps (USA)
Related Parts
5130-00-134-4572INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
5330-00-585-0798INTERCHANGEABLE
GASKET
6240-00-905-8505INTERCHANGEABLE
LAMP,INCANDESCENT
1034A
6625-01-080-7690INTERCHANGEABLE
METER,RADIO FREQUEN
1034A
1005-01-375-7616INTERCHANGEABLE
SIGHT,REAR
200375
5998-01-543-6211INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5950-01-714-7714INTERCHANGEABLE
COIL,ELECTRICAL
2003-75

Frequently Asked Questions

What is NSN 5120-00-277-2693?

NSN 5120-00-277-2693 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 5120-00-277-2693?

NSN 5120-00-277-2693 has 11 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.39 TY1CL1 (General Services Administration Federal Supply Service), B107.39 (The American Society of Mechanical Engineers), GGG-W-636 TY4 (General Services Administration Federal Supply Service) and 6 more.

What NSN replaces 5120-00-277-2693?

There are 7 known substitutes for 5120-00-277-2693: 5130-00-134-4572, 5330-00-585-0798, 6240-00-905-8505 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.100?

Key specifications for B107.100: Overall Length: 10.015 INCHES MINIMUM 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: 0.938 INCHES NOMINAL FIRST END IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-2693 still in active supply?

NSN 5120-00-277-2693 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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