PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18.3Key,socket Head Screw

The American Society of Mechanical Engineers · NSN 5120-01-468-9745 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-468-9745 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-468-9745. Primary manufacturer part number: B18.3.
Features
  • Key,socket Head Screw — FSC 5120
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Size: 0.156 INCHES NOMINAL SINGLE END IN
  • Features Provided: CUSHION GRIP
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Style Designator: FIXED T-HANDLE
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
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 5120-01-468-9745, 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 7 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-468-9745
Primary Part NumberB18.3
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Surface TreatmentOXIDE OVERALL
Wrenching Surface Size0.156 INCHES NOMINAL SINGLE END IN
Features ProvidedCUSHION GRIP
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Style DesignatorFIXED T-HANDLE
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-189-9254 INTERCHANGEABLE
Drill,twist
2910-00-237-05280-13309 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
3110-00-540-7675E5Y INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5905-00-789-5640 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5975-00-913-3167609 INTERCHANGEABLE
Adapter,electrical Conduit
Abb Installation Products Inc
6625-01-105-065713309 INTERCHANGEABLE
Voltmeter
Gamma Scientific Inc
6240-01-344-992890PAR38/CAP/SP/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
4730-01-597-262533050D INTERCHANGEABLE
Connector,tubing,straight
Indal Technologies Inc
6070-01-654-034613309 INTERCHANGEABLE
Cleaning Tool,fiber Optic Connec
Us Conec Ltd (inc)
Cross-Reference Index
Part NumberManufacturer
B18.3 The American Society of Mechanical Engineers (USA)
13309 Bondhus Corp (USA)
Related Parts
5133-00-189-9254INTERCHANGEABLE
DRILL,TWIST
2910-00-237-0528INTERCHANGEABLE
CARBURETOR,FLOAT
0-13309
3110-00-540-7675INTERCHANGEABLE
BEARING,BALL,ANNULAR
E5Y
5905-00-789-5640INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5975-00-913-3167INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
609
6625-01-105-0657INTERCHANGEABLE
VOLTMETER
13309
6240-01-344-9928INTERCHANGEABLE
LAMP,INCANDESCENT
90PAR38/CAP/SP/120V
4730-01-597-2625INTERCHANGEABLE
CONNECTOR,TUBING,STRAIGHT
33050D
6070-01-654-0346INTERCHANGEABLE
CLEANING TOOL,FIBER OPTIC CONNEC
13309

Frequently Asked Questions

What is NSN 5120-01-468-9745?

NSN 5120-01-468-9745 is a Key,socket Head Screw, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-468-9745?

NSN 5120-01-468-9745 has 2 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), 13309 (Bondhus Corp).

What NSN replaces 5120-01-468-9745?

There are 9 known substitutes for 5120-01-468-9745: 5133-00-189-9254, 2910-00-237-0528, 3110-00-540-7675 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B18.3?

Key specifications for B18.3: Surface Treatment: OXIDE OVERALL; Wrenching Surface Size: 0.156 INCHES NOMINAL SINGLE END IN; Features Provided: CUSHION GRIP; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 9 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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