PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN4-25ABolt,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-151-1411 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-1411 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-1411. Primary manufacturer part number: AN4-25A.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 28
  • Thread Length: 0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Features Provided: FINISHED HEAD
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4130 or Steel Comp 4037 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-151-1411, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-151-1411
Primary Part NumberAN4-25A
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
StatusACTIVE
Thread Quantity Per Inch28
Thread Length0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Head StyleHEXAGON
Features ProvidedFINISHED HEAD
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Nominal Thread Diameter0.250 INCHES IN
Thread Series DesignatorUNF
Grip Length2.172 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Fastener Length2.641 INCHES MINIMUM AND 2.688 INCHES MAXIMUM IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread Class3A A
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-271-6848
HAZMATNo
Verified Substitutes 7
Bolt,eye
3110-00-227-4832 INTERCHANGEABLE
Ring,bearing,outer
3810-00-374-0166 INTERCHANGEABLE
Housing,pendant Pul
5845-00-642-662151038F INTERCHANGEABLE
Hydrophone,sonar
Naval Ship Systems Command
5935-00-813-3422188422-1REVA INTERCHANGEABLE
Insert,electrical Connector
Raytheon Company
5950-01-092-3918 INTERCHANGEABLE
Coil,radio Frequency
6105-01-416-2323400018 INTERCHANGEABLE
Motor,rotator,labor
Helmer Scientific Llc Dba Helmer
Cross-Reference Index
Part NumberManufacturer
400 018 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
AN4-25A PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN4-25A Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN4-25A Leonardo Spa Helicopters Division - Production Site (ITA)
5305PL0138420 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2010372 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
2010372 Embraer Aviation International (FRA)
2010372 Embraer S.a. (BRA)
Related Parts
SUCCESSOR 5306-00-271-6848 Bolt,eye
3110-00-227-4832INTERCHANGEABLE
RING,BEARING,OUTER
3810-00-374-0166INTERCHANGEABLE
HOUSING,PENDANT PUL
5845-00-642-6621INTERCHANGEABLE
HYDROPHONE,SONAR
51038F
5935-00-813-3422INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
188422-1REVA
5950-01-092-3918INTERCHANGEABLE
COIL,RADIO FREQUENCY
6105-01-416-2323INTERCHANGEABLE
MOTOR,ROTATOR,LABOR
400018

Frequently Asked Questions

What is NSN 5306-00-151-1411?

NSN 5306-00-151-1411 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: active.

What are the part numbers for NSN 5306-00-151-1411?

NSN 5306-00-151-1411 has 8 cross-referenced part numbers: 400 018 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), AN4-25A (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN4-25A (Aeronautical Standards Group Dept of Navy and Air Force), AN4-25A (Leonardo Spa Helicopters Division - Production Site), 5305PL0138420 (Jednolity Indeks Materialowy - Uniform Material Index) and 3 more.

What NSN replaces 5306-00-151-1411?

There are 7 known substitutes for 5306-00-151-1411: 5306-00-271-6848, 3110-00-227-4832, 3810-00-374-0166 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN4-25A?

Key specifications for AN4-25A: Thread Quantity Per Inch: 28; Thread Length: 0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Head Style: HEXAGON; Features Provided: FINISHED HEAD. 18 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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