PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

416-29Bolt,machine

Hamilton Sundstrand Corporation · NSN 5306-00-144-3679 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-144-3679 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-144-3679. Primary manufacturer part number: 416-29.
Features
  • Bolt,machine — FSC 5306
  • Thread Class: 3A A
  • Thread Length: 0.406 INCHES MINIMUM IN
  • Distance From Head Largest Bearing Surface to Shank Hole Center: 4.641 INCHES NOMINAL FIRST HOLE IN
  • Width Between Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Material Document and Classification: MIL-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 OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
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 5306-00-144-3679, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 20 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-144-3679
Primary Part Number416-29
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Thread Class3A A
Thread Length0.406 INCHES MINIMUM IN
Distance From Head Largest Bearing Surface to Shank Hole Center4.641 INCHES NOMINAL FIRST HOLE IN
Width Between Flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
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 OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Thread Quantity Per Inch32
Fastener Length4.781 INCHES NOMINAL IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Head StyleHEXAGON
Features ProvidedFINISHED HEAD
Shank Unthreaded Hole Diameter0.070 INCHES MINIMUM FIRST HOLE IN
Grip Length4.375 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Head Height0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3040-00-622-654941629 INTERCHANGEABLE
Shaft,metering Valv
Triumph Engine Control Systems Llc
5940-00-707-2796 INTERCHANGEABLE
Terminal,quick Disconnect
3455-00-717-3396B24-4 INTERCHANGEABLE
Cutter,milling,end
Talbot Holdings Ltd
5905-01-027-3542 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5962-01-204-494241629 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
416-29 Hamilton Sundstrand Corporation (USA)
AN3-46 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
3040-00-622-6549INTERCHANGEABLE
SHAFT,METERING VALV
41629
5940-00-707-2796INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
3455-00-717-3396INTERCHANGEABLE
CUTTER,MILLING,END
B24-4
5905-01-027-3542INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5962-01-204-4942INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41629

Frequently Asked Questions

What is NSN 5306-00-144-3679?

NSN 5306-00-144-3679 is a Bolt,machine, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-144-3679?

NSN 5306-00-144-3679 has 2 cross-referenced part numbers: 416-29 (Hamilton Sundstrand Corporation), AN3-46 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5306-00-144-3679?

There are 5 known substitutes for 5306-00-144-3679: 3040-00-622-6549, 5940-00-707-2796, 3455-00-717-3396 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 416-29?

Key specifications for 416-29: Thread Class: 3A A; Thread Length: 0.406 INCHES MINIMUM IN; Distance From Head Largest Bearing Surface to Shank Hole Center: 4.641 INCHES NOMINAL FIRST HOLE IN; Width Between Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN. 20 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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