PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15749Key,socket Head Screw

Bondhus Corp · NSN 5120-01-572-9589 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-572-9589 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-572-9589. Primary manufacturer part number: 15749.
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Wrenching Surface Size: 1.27 MILLIMETERS NOMINAL BOTH ENDS MM
  • Material: STEEL OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Style Designator: L-HANDLE
  • Features Provided: BALL END AND LONG SERIES
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-572-9589, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bondhus Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-572-9589
Primary Part Number15749
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Wrenching Surface Size1.27 MILLIMETERS NOMINAL BOTH ENDS MM
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
Style DesignatorL-HANDLE
Features ProvidedBALL END AND LONG SERIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5965-00-493-59871574-9 INTERCHANGEABLE
Headset-Microphone
Audiosears Corp Dba Audiosears Corp
1660-00-633-259715749 INTERCHANGEABLE
Dial Face
Mission Systems Orchard Park Inc
5950-00-916-384615749 INTERCHANGEABLE
Transformer,power Autotransforme
Robert M. Hadley Company, Inc.
5340-01-381-08351A20033G05 INTERCHANGEABLE
Lock,flush
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5340-01-388-21241A20033H10 INTERCHANGEABLE
Lock,cylinder Assem
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6515-01-583-6449JF-3-18 INTERCHANGEABLE
Forceps,microsurgical
Synovis Micro Companies Alliance, Inc.
Cross-Reference Index
Part NumberManufacturer
15749 PRIMARY Bondhus Corp (USA)
15749 Irwin Industrial Tool Co Pty Ltd (AUS)
Related Parts
5965-00-493-5987INTERCHANGEABLE
HEADSET-MICROPHONE
1574-9
1660-00-633-2597INTERCHANGEABLE
DIAL FACE
15749
5950-00-916-3846INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
15749
5340-01-381-0835INTERCHANGEABLE
LOCK,FLUSH
1A20033G05
5340-01-388-2124INTERCHANGEABLE
LOCK,CYLINDER ASSEM
1A20033H10
6515-01-583-6449INTERCHANGEABLE
FORCEPS,MICROSURGICAL
JF-3-18

Frequently Asked Questions

What is NSN 5120-01-572-9589?

NSN 5120-01-572-9589 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-572-9589?

NSN 5120-01-572-9589 has 2 cross-referenced part numbers: 15749 (Bondhus Corp), 15749 (Irwin Industrial Tool Co Pty Ltd).

What NSN replaces 5120-01-572-9589?

There are 6 known substitutes for 5120-01-572-9589: 5965-00-493-5987, 1660-00-633-2597, 5950-00-916-3846 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15749?

Key specifications for 15749: Overall Length: 2.800 INCHES NOMINAL IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Wrenching Surface Size: 1.27 MILLIMETERS NOMINAL BOTH ENDS MM; Material: STEEL OVERALL. 7 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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