PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-4-20Bolt,machine

Air Force Standard · NSN 5306-00-151-3459 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-3459 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-3459. Primary manufacturer part number: 60-4-20.
Features
  • Bolt,machine — FSC 5306
  • Features Provided: UNFINISHED HEAD
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Quantity Per Inch: 28
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Minimum Tensile Strength: 48000 POUNDS PER SQUARE INCH LBS
  • Width Between Flats: 0.375 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-151-3459, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air Force Standard. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5306-00-151-3459
Primary Part Number60-4-20
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAir Force Standard
StatusACTIVE
Features ProvidedUNFINISHED HEAD
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch28
Surface TreatmentCADMIUM OR ZINC OVERALL
Minimum Tensile Strength48000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataA CLASS
Thread Series DesignatorUNF
Head Height0.172 INCHES NOMINAL IN
Head StyleHEXAGON
Grip Length1.125 INCHES NOMINAL IN
Fastener Length2.000 INCHES NOMINAL IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5306-00-151-3456 INTERCHANGEABLE
Bolt,machine
5306-00-151-3462 INTERCHANGEABLE
Bolt,machine
5305-00-267-89562678956 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
5305-00-267-8978MS90726-12 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2910-00-377-5546304101R91 INTERCHANGEABLE
Filter Element,fluid
Komatsu America Corporation
6640-01-154-1722260420 INTERCHANGEABLE
Pipet,automatic
Becton, Dickinson and Co Dba Becton Dickinson & Co
Cross-Reference Index
Part NumberManufacturer
60-4-20 Air Force Standard
60-4-20 Department of the Air Force (USA)
FFB571ANDCLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-151-3456INTERCHANGEABLE
BOLT,MACHINE
5306-00-151-3462INTERCHANGEABLE
BOLT,MACHINE
5305-00-267-8956INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2678956
5305-00-267-8978INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS90726-12
2910-00-377-5546INTERCHANGEABLE
FILTER ELEMENT,FLUID
304101R91
6640-01-154-1722INTERCHANGEABLE
PIPET,AUTOMATIC
260420

Frequently Asked Questions

What is NSN 5306-00-151-3459?

NSN 5306-00-151-3459 is a Bolt,machine, manufactured by Air Force Standard, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-151-3459?

NSN 5306-00-151-3459 has 3 cross-referenced part numbers: 60-4-20 (Air Force Standard), 60-4-20 (Department of the Air Force), FFB571ANDCLASSA (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-151-3459?

There are 6 known substitutes for 5306-00-151-3459: 5306-00-151-3456, 5306-00-151-3462, 5305-00-267-8956 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60-4-20?

Key specifications for 60-4-20: Features Provided: UNFINISHED HEAD; Nominal Thread Diameter: 0.250 INCHES IN; Thread Quantity Per Inch: 28; Surface Treatment: CADMIUM OR ZINC OVERALL. 16 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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