PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5306AC1-020-3Bolt,shoulder

Us Army Aviation and Missile Command · NSN 5306-00-736-4078 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-736-4078 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-736-4078. Primary manufacturer part number: 5306AC1-020-3.
Features
  • Bolt,shoulder — FSC 5306
  • Nominal Thread Diameter: 1.125 INCHES IN
  • Material: STEEL COMP E4340 OR STEEL COMP 4340 OVERALL
  • Material Document and Classification: MIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Fastener Length: 5.379 INCHES NOMINAL IN
  • Distance From Head Largest Bearing Surface to Shank Hole Center: 5.223 INCHES NOMINAL FIRST HOLE IN
  • Head Diameter: 1.750 INCHES NOMINAL IN
  • Shoulder Diameter: 1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST SHOULDER IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp E4340 or Steel Comp 4340 Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-00-736-4078, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. 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
NSN5306-00-736-4078
Primary Part Number5306AC1-020-3
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Nominal Thread Diameter1.125 INCHES IN
MaterialSTEEL COMP E4340 OR STEEL COMP 4340 OVERALL
Material Document and ClassificationMIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Fastener Length5.379 INCHES NOMINAL IN
Distance From Head Largest Bearing Surface to Shank Hole Center5.223 INCHES NOMINAL FIRST HOLE IN
Head Diameter1.750 INCHES NOMINAL IN
Shoulder Diameter1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder ShapeROUND FIRST SHOULDER
Minimum Tensile Strength180000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch1 1/8-16
Thread Length0.375 INCHES MAXIMUM IN
Shoulder Length5.002 INCHES MINIMUM AND 5.004 INCHES MAXIMUM FIRST SHOULDER IN
Thread Series DesignatorUN
Thread DirectionRIGHT-HAND
Head StyleFLAT CHAMFER
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Head Height0.246 INCHES NOMINAL IN
Shank Unthreaded Hole Diameter0.141 INCHES NOMINAL FIRST HOLE IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-159-024410-102-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5950-00-411-061951655 INTERCHANGEABLE
Coil,radio Frequency
Cae Inc
4330-01-197-710551655 INTERCHANGEABLE
Filter Element,fluid
Leroi International Inc Dba Compair Leroi
2920-01-210-042151647 INTERCHANGEABLE
Vibrator,ignition Coil
Hdt Expeditionary Systems Inc
4420-01-464-174551655 INTERCHANGEABLE
Housing,full Flow
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
5306AC1-020-3 PRIMARY Us Army Aviation and Missile Command (USA)
5165-5 Goodrich Aerospace Canada Ltd (CAN)
Related Parts
5940-00-159-0244INTERCHANGEABLE
TERMINAL,STUD
10-102-1
5950-00-411-0619INTERCHANGEABLE
COIL,RADIO FREQUENCY
51655
4330-01-197-7105INTERCHANGEABLE
FILTER ELEMENT,FLUID
51655
2920-01-210-0421INTERCHANGEABLE
VIBRATOR,IGNITION COIL
51647
4420-01-464-1745INTERCHANGEABLE
HOUSING,FULL FLOW
51655

Frequently Asked Questions

What is NSN 5306-00-736-4078?

NSN 5306-00-736-4078 is a Bolt,shoulder, manufactured by Us Army Aviation and Missile Command, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-736-4078?

NSN 5306-00-736-4078 has 2 cross-referenced part numbers: 5306AC1-020-3 (Us Army Aviation and Missile Command), 5165-5 (Goodrich Aerospace Canada Ltd).

What NSN replaces 5306-00-736-4078?

There are 5 known substitutes for 5306-00-736-4078: 5940-00-159-0244, 5950-00-411-0619, 4330-01-197-7105 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5306AC1-020-3?

Key specifications for 5306AC1-020-3: Nominal Thread Diameter: 1.125 INCHES IN; Material: STEEL COMP E4340 OR STEEL COMP 4340 OVERALL; Material Document and Classification: MIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Fastener Length: 5.379 INCHES NOMINAL 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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