PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0409Blade,socket Head Screw Key

Bondhus Corp · NSN 5120-01-687-3856 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-687-3856 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-687-3856. Primary manufacturer part number: 0409.
Features
  • Blade,socket Head Screw Key — FSC 5120
  • Major Diameter: 0.156 INCHES NOMINAL IN
  • Material Document and Classification: MANUFACTURE CATALOG PAGE MFR REF SINGLE MATERIAL RESPONSE
  • Material: STEEL
  • Unit Type: HEX
  • 1 verified cross-reference
  • Primary manufacturer: Bondhus Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Blade,socket Head Screw Key, cataloged under National Stock Number 5120-01-687-3856, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5120-01-687-3856
Primary Part Number0409
Item NameBlade,socket Head Screw Key
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
Major Diameter0.156 INCHES NOMINAL IN
Material Document and ClassificationMANUFACTURE CATALOG PAGE MFR REF SINGLE MATERIAL RESPONSE
MaterialSTEEL
Unit TypeHEX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5120-00-024-9529 INTERCHANGEABLE
Pliers,retaining Ring
5910-00-112-7531 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5905-00-258-5710L50J3K0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2510-00-737-1322 INTERCHANGEABLE
Pin,vehicular Leaf Spring Shackl
5905-00-931-59561800710-21 INTERCHANGEABLE
Resistor,fixed,wire Wound
Northrop Grumman Systems Corporation
6540-01-107-4510MAG-1, 46X25 INTERCHANGEABLE
Frame,spectacle
Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
0409 PRIMARY Bondhus Corp (USA)
Related Parts
5120-00-024-9529INTERCHANGEABLE
PLIERS,RETAINING RING
5910-00-112-7531INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5905-00-258-5710INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
L50J3K0
2510-00-737-1322INTERCHANGEABLE
PIN,VEHICULAR LEAF SPRING SHACKL
5905-00-931-5956INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
1800710-21
6540-01-107-4510INTERCHANGEABLE
FRAME,SPECTACLE
MAG-1, 46X25

Frequently Asked Questions

What is NSN 5120-01-687-3856?

NSN 5120-01-687-3856 is a Blade,socket Head Screw Key, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-687-3856?

NSN 5120-01-687-3856 has 1 cross-referenced part number: 0409 (Bondhus Corp).

What NSN replaces 5120-01-687-3856?

There are 6 known substitutes for 5120-01-687-3856: 5120-00-024-9529, 5910-00-112-7531, 5905-00-258-5710 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0409?

Key specifications for 0409: Special Features: PROGUARDFINISH,COLOR:BLACK,BALL END INSERTS INTO SCREW AT 25 DEGREE ANGLE,ONE PER PACKAGE; Major Diameter: 0.156 INCHES NOMINAL IN; Material Document and Classification: MANUFACTURE CATALOG PAGE MFR REF SINGLE MATERIAL RESPONSE; Overall Length: 8.9 INCHES NOMINAL IN. 6 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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