PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100735Gear Cluster

Astronautics Corporation of America · NSN 3020-00-015-4361 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-015-4361 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-015-4361. Primary manufacturer part number: 100735.
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Length: 0.165 INCHES SECOND ENDUNABLE TO DECODE IN
  • Counterbore Nominal Diameter: 0.3757 INCHES FIRST ENDUNABLE TO DECODE IN
  • Material Document and Classification: MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: UNABLE TO DECODE
  • Material: UNABLE TO DECODE
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-015-4361, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-015-4361
Primary Part Number100735
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Hub Nominal Length0.165 INCHES SECOND ENDUNABLE TO DECODE IN
Counterbore Nominal Diameter0.3757 INCHES FIRST ENDUNABLE TO DECODE IN
Material Document and ClassificationMIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationUNABLE TO DECODE
MaterialUNABLE TO DECODE
ConstructionSOLID
Nominal Overall Length0.640 INCHES IN
Hub Nominal Diameter0.562 INCHES FIRST ENDUNABLE TO DECODE IN
Bore StyleW/COUNTERBORE BOTH ENDSUNABLE TO DECODE
Design TypeSPUR FIRST GEARUNABLE TO DECODE
Surface TreatmentPASSIVATE OVERALLUNABLE TO DECODE
Counterbore Nominal Depth0.2020 INCHES SECOND ENDUNABLE TO DECODE IN
Hub Nominal Length0.188 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN
Hub Nominal Diameter0.495 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN
Hub Nominal Diameter0.312 INCHES SECOND ENDUNABLE TO DECODE IN
Nominal Outside Diameter0.5605 INCHES SECOND GEARUNABLE TO DECODE IN
Bore Nominal Diameter0.1249 INCHES BOTH ENDSUNABLE TO DECODE IN
Hub Nominal Length0.100 INCHES FIRST ENDUNABLE TO DECODE IN
Design TypeSPUR SECOND GEARUNABLE TO DECODE
Counterbore Nominal Depth0.1800 INCHES FIRST ENDUNABLE TO DECODE IN
Hub Style DesignatorPLAIN BOTH ENDSUNABLE TO DECODE
Nominal Outside Diameter0.8209 INCHES FIRST GEARUNABLE TO DECODE IN
Attachment MethodMOUNTING HOLE
Counterbore Nominal Diameter0.3500 INCHES SECOND ENDUNABLE TO DECODE IN
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-271-1828989110-22B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5915-00-764-9653 INTERCHANGEABLE
Filter,radio Frequency Interfere
5365-01-020-9389100735 INTERCHANGEABLE
Shim
Dana Off Highway Products, Llc
5310-01-219-8892100735-1 INTERCHANGEABLE
Nut,sleeve
Bae Systems Land & Armaments L.p.
6630-01-503-5934100735 INTERCHANGEABLE
Test Kit,ez Arsenic
Hach Company Dba Hach Co
5315-01-568-5398100735 INTERCHANGEABLE
Pin Set,straight,headless
Tactair Fluid Controls Inc Western Hydraulics Div
Cross-Reference Index
Part NumberManufacturer
100735 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5950-00-271-1828INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-22B
5915-00-764-9653INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5365-01-020-9389INTERCHANGEABLE
SHIM
100735
5310-01-219-8892INTERCHANGEABLE
NUT,SLEEVE
100735-1
6630-01-503-5934INTERCHANGEABLE
TEST KIT,EZ ARSENIC
100735
5315-01-568-5398INTERCHANGEABLE
PIN SET,STRAIGHT,HEADLESS
100735

Frequently Asked Questions

What is NSN 3020-00-015-4361?

NSN 3020-00-015-4361 is a Gear Cluster, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-015-4361?

NSN 3020-00-015-4361 has 1 cross-referenced part number: 100735 (Astronautics Corporation of America).

What NSN replaces 3020-00-015-4361?

There are 6 known substitutes for 3020-00-015-4361: 5950-00-271-1828, 5915-00-764-9653, 5365-01-020-9389 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100735?

Key specifications for 100735: Hub Nominal Length: 0.165 INCHES SECOND ENDUNABLE TO DECODE IN; Counterbore Nominal Diameter: 0.3757 INCHES FIRST ENDUNABLE TO DECODE IN; Special Features: 2 HOLES 2-56 UNC LOCATED BETWEEN HUB END AND GEAR FACE; Material Document and Classification: MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 28 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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