PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN4-6Bolt,machine

Rolls Royce Corp · NSN 5306-01-497-8325 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-497-8325 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-497-8325. Primary manufacturer part number: AN4-6.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Thread Quantity Per Inch: 28
  • Distance From Head Largest Bearing Surface to Shank Hole Center: 0.624 INCHES NOMINAL FIRST HOLE IN
  • Fastener Length: 0.781 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Shank Unthreaded Hole Diameter: 0.076 INCHES NOMINAL FIRST HOLE 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 5306-01-497-8325, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls Royce Corp. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-497-8325
Primary Part NumberAN4-6
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRolls Royce Corp
StatusACTIVE
MaterialSTEEL OVERALL
Thread Quantity Per Inch28
Distance From Head Largest Bearing Surface to Shank Hole Center0.624 INCHES NOMINAL FIRST HOLE IN
Fastener Length0.781 INCHES NOMINAL IN
Head StyleHEXAGON
Shank Unthreaded Hole Diameter0.076 INCHES NOMINAL FIRST HOLE IN
Thread DirectionRIGHT-HAND
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Thread Class3A A
Thread Length0.469 INCHES NOMINAL IN
Thread Series DesignatorUNF
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-144-3705
HAZMATNo
Verified Substitutes 1
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
AN4-6 PRIMARY Rolls Royce Corp (USA)
AN4-6 Royal Malaysian Airforce (MYS)
Related Parts
SUCCESSOR 5306-00-144-3705 Bolt,machine

Frequently Asked Questions

What is NSN 5306-01-497-8325?

NSN 5306-01-497-8325 is a Bolt,machine, manufactured by Rolls Royce Corp, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-497-8325?

NSN 5306-01-497-8325 has 2 cross-referenced part numbers: AN4-6 (Rolls Royce Corp), AN4-6 (Royal Malaysian Airforce).

What NSN replaces 5306-01-497-8325?

There is 1 known substitute for 5306-01-497-8325: 5306-00-144-3705. Verify interchangeability with system specifications before substitution.

What are the specifications of AN4-6?

Key specifications for AN4-6: Material: STEEL OVERALL; Thread Quantity Per Inch: 28; Distance From Head Largest Bearing Surface to Shank Hole Center: 0.624 INCHES NOMINAL FIRST HOLE IN; Fastener Length: 0.781 INCHES NOMINAL IN. 13 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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