PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.39 TY1CL1Wrench,open End

General Services Administration Federal Supply Service · NSN 5120-00-277-2312 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-2312 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-2312. Primary manufacturer part number: B107.39 TY1CL1.
Features
  • Wrench,open End — FSC 5120
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.312 INCHES NOMINAL FIRST END IN
  • Large End Head Thickness: 0.203 INCHES MAXIMUM IN
  • Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.344 INCHES NOMINAL SECOND END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-277-2312, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 12 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
NSN5120-00-277-2312
Primary Part NumberB107.39 TY1CL1
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.312 INCHES NOMINAL FIRST END IN
Large End Head Thickness0.203 INCHES MAXIMUM IN
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Wrenching Surface Size0.344 INCHES NOMINAL SECOND END IN
Nondefinitive Spec/std Data1 TYPE
Style DesignatorDOUBLE HEAD
Small End Head Angle15.0 DEGREES NOMINAL
Large End Head Angle15.0 DEGREES NOMINAL
Small End Head Thickness0.203 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4930-00-030-1112200-365 INTERCHANGEABLE
Coupler,air Link,lu
Graco Inc.
3110-00-151-809533378 INTERCHANGEABLE
Bearing,ball,annular
Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions
5835-00-168-4258 INTERCHANGEABLE
Recorder,sound
5330-00-527-5993244D1 INTERCHANGEABLE
Seal,plain Encased
Curtiss-Wright Controls, Inc. Div Actuation Division
1630-00-928-9367 INTERCHANGEABLE
Brake Assembly
4820-01-019-72032-6031 INTERCHANGEABLE
Valve,linear,directional Control
Terex Usa Llc
5998-01-022-7036 INTERCHANGEABLE
Circuit Card Assembly
3110-01-270-8870 INTERCHANGEABLE
Bearing,ball,annular
5330-01-313-303720-0025 INTERCHANGEABLE
Retainer,packing
Lexair Inc
5961-01-378-76621901-1344 INTERCHANGEABLE
Semiconductor Device,diode
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
B107.39 TY1CL1 General Services Administration Federal Supply Service (USA)
26-031 Armstrong Bros Tool Co (USA)
26-031 Satair A/s (DNK)
B107.100 CAT 39 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
20-0025 Martin Sprocket and Gear Inc (USA)
A-A-1356 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
26-031 Apex Tool Group, Llc Dba Nicholson (USA)
26-031 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1720 Martin Sprocket and Gear Inc (USA)
J2022B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
VE2312 Durston Manufacturing Company Dba Vim Tools (USA)
B107.100 CAT 39 TY1 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)
B107.6 The American Society of Mechanical Engineers (USA)
41W1176-9 General Stores Supply Office (USA)
Related Parts
4930-00-030-1112INTERCHANGEABLE
COUPLER,AIR LINK,LU
200-365
3110-00-151-8095INTERCHANGEABLE
BEARING,BALL,ANNULAR
33378
5835-00-168-4258INTERCHANGEABLE
RECORDER,SOUND
5330-00-527-5993INTERCHANGEABLE
SEAL,PLAIN ENCASED
244D1
1630-00-928-9367INTERCHANGEABLE
BRAKE ASSEMBLY
4820-01-019-7203INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
2-6031
5998-01-022-7036INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3110-01-270-8870INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-01-313-3037INTERCHANGEABLE
RETAINER,PACKING
20-0025
5961-01-378-7662INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1901-1344
4330-01-393-5280INTERCHANGEABLE
FILTER ELEMENT,FLUID
200025
4810-01-412-4443INTERCHANGEABLE
VALVE,BUTTERFLY
200025

Frequently Asked Questions

What is NSN 5120-00-277-2312?

NSN 5120-00-277-2312 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 5120-00-277-2312?

NSN 5120-00-277-2312 has 18 cross-referenced part numbers: B107.39 TY1CL1 (General Services Administration Federal Supply Service), 26-031 (Armstrong Bros Tool Co), 26-031 (Satair A/s), B107.100 CAT 39 TY1CL1 (General Services Administration Federal Supply Service), B107.100 (The American Society of Mechanical Engineers) and 13 more.

What NSN replaces 5120-00-277-2312?

There are 12 known substitutes for 5120-00-277-2312: 4930-00-030-1112, 3110-00-151-8095, 5835-00-168-4258 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.39 TY1CL1?

Key specifications for B107.39 TY1CL1: Material: STEEL OVERALL; Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Size: 0.312 INCHES NOMINAL FIRST END IN; Overall Length: 3.640 INCHES MINIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-2312 still in active supply?

NSN 5120-00-277-2312 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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