PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401 334Bolt,machine

Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company · NSN 5306-00-151-1402 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-1402 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-1402. Primary manufacturer part number: 401 334.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Head Style: HEXAGON
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Material: STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
  • Nominal Thread Diameter: 0.250 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 or Steel Comp 4130 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 8740 or Steel Comp 4140 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-151-1402, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-151-1402
Primary Part Number401 334
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerPiper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
StatusACTIVE
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
Nominal Thread Diameter0.250 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Fastener Length3.781 INCHES NOMINAL IN
Thread Length0.469 INCHES MINIMUM IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Thread Quantity Per Inch28
Thread Class3A A
Features ProvidedFINISHED HEAD
Grip Length3.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5306-00-141-5171 INTERCHANGEABLE
Bolt,eye
6220-01-312-203540133 INTERCHANGEABLE
Reflector,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
4730-01-632-2976401-334 INTERCHANGEABLE
Reducer,pipe
Tieco Inc
Cross-Reference Index
Part NumberManufacturer
401 334 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
AN4-36A Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
AN4-36A Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5306-00-141-5171INTERCHANGEABLE
BOLT,EYE
6220-01-312-2035INTERCHANGEABLE
REFLECTOR,LIGHT
40133
4730-01-632-2976INTERCHANGEABLE
REDUCER,PIPE
401-334

Frequently Asked Questions

What is NSN 5306-00-151-1402?

NSN 5306-00-151-1402 is a Bolt,machine, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-151-1402?

NSN 5306-00-151-1402 has 3 cross-referenced part numbers: 401 334 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), AN4-36A (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), AN4-36A (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5306-00-151-1402?

There are 3 known substitutes for 5306-00-151-1402: 5306-00-141-5171, 6220-01-312-2035, 4730-01-632-2976. Verify interchangeability with system specifications before substitution.

What are the specifications of 401 334?

Key specifications for 401 334: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Head Style: HEXAGON. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com