PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN4C6ABolt,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-156-2338 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-156-2338 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-156-2338. Primary manufacturer part number: AN4C6A.
Features
  • Bolt,machine — FSC 5306
  • Thread Class: 3A A
  • Thread Quantity Per Inch: 28
  • Grip Length: 0.312 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Material Document and Classification: QQ-S-770 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Thread Length: 0.469 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-156-2338, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-156-2338
Primary Part NumberAN4C6A
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class3A A
Thread Quantity Per Inch28
Grip Length0.312 INCHES NOMINAL IN
Thread Series DesignatorUNF
Material Document and ClassificationQQ-S-770 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Thread Length0.469 INCHES MINIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Surface TreatmentPASSIVATE OVERALL
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL CORROSION RESISTING OVERALL
Head StyleHEXAGON
Fastener Length0.781 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-182-1393
HAZMATNo
Verified Substitutes 12
No Item Name Available
5306-00-151-14077601613 SUCCESSOR
Bolt,machine
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-156-2344AN4C14A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-182-2025NASM3 THRU NASM20-AN5H6A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN4C6A Leonardo Spa Helicopters Division - Production Site (ITA)
5-4-1346-31-14 Brunswick Corp Defense Div (USA)
AN4C6ACP Zf Industrieantriebe Witten Gmbh (DEU)
5-4-1346-31-14 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
5306PL2131655 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5306001562338 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
AN4C6A PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MILB6812AAMEND2 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MILB6812AAMEND2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN4C6A Aeronautical Standards Group Dept of Navy and Air Force (USA)
932.19.60.128 Pilatus Aircraft Ltd (CHE)
Related Parts
SUCCESSOR 5306-00-182-1393 Bolt,machine
5306-00-298-4737SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-151-1407SUCCESSOR
BOLT,MACHINE
7601613
5306-00-151-2614SUCCESSOR
BOLT,MACHINE
5306-00-151-2615SUCCESSOR
BOLT,MACHINE
5306-00-151-2619SUCCESSOR
BOLT,MACHINE
5306-00-156-2344SUCCESSOR
BOLT,MACHINE
AN4C14A
5306-00-180-1933SUCCESSOR
BOLT,MACHINE
5306-00-182-1899SUCCESSOR
BOLT,MACHINE
5306-00-182-2025SUCCESSOR
BOLT,MACHINE
NASM3 THRU NASM20-AN5H6A
5306-00-206-2332SUCCESSOR
BOLT,MACHINE
5306-00-208-1359SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-156-2338?

NSN 5306-00-156-2338 is a Bolt,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-156-2338?

NSN 5306-00-156-2338 has 11 cross-referenced part numbers: AN4C6A (Leonardo Spa Helicopters Division - Production Site), 5-4-1346-31-14 (Brunswick Corp Defense Div), AN4C6ACP (Zf Industrieantriebe Witten Gmbh), 5-4-1346-31-14 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 5306PL2131655 (Jednolity Indeks Materialowy - Uniform Material Index) and 6 more.

What NSN replaces 5306-00-156-2338?

There are 12 known substitutes for 5306-00-156-2338: 5306-00-298-4737, 5306-00-151-1407, 5306-00-151-2614 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN4C6A?

Key specifications for AN4C6A: Thread Class: 3A A; Thread Quantity Per Inch: 28; Grip Length: 0.312 INCHES NOMINAL IN; Thread Series Designator: UNF. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-156-2338 still in active supply?

NSN 5306-00-156-2338 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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