PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2330B9004Gear Cluster

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 3020-00-928-2127 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-928-2127 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-928-2127. Primary manufacturer part number: 2330B9004.
Features
  • Gear Cluster — FSC 3020
  • Design Type: SPUR FIRST GEAR
  • Design Type: SPUR SECOND GEAR
  • Surface Treatment: PASSIVATE SHAFT/HUB
  • Material Document and Classification: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
  • Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
  • Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR
  • Nominal Outside Diameter: 1.541 INCHES FIRST GEAR IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Second Gear construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-928-2127, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN3020-00-928-2127
Primary Part Number2330B9004
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Design TypeSPUR FIRST GEAR
Design TypeSPUR SECOND GEAR
Surface TreatmentPASSIVATE SHAFT/HUB
Material Document and ClassificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
Hub Style Designator1 STEP BETWEEN FIRST AND SECOND GEAR
Nominal Outside Diameter1.541 INCHES FIRST GEAR IN
Nominal Outside Diameter0.457 INCHES SECOND GEAR IN
Attachment MethodMOUNTING HOLE
Material Document and ClassificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
Precision ClassificationQUALITY NUMBER 10 ALL GEARS
MaterialSTEEL COMP 303 SECOND GEAR
ConstructionASSEMBLED
Surface TreatmentANODIZE FIRST GEAR
MaterialSTEEL COMP 303 SHAFT/HUB
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Nominal Overall Length0.500 INCHES IN
Hub Nominal Diameter0.500 INCHES BETWEEN FIRST AND SECOND GEAR IN
Surface TreatmentPASSIVATE SECOND GEAR
MaterialALUMINUM ALLOY 2024 FIRST GEAR
Hub Nominal Length0.219 INCHES BETWEEN FIRST AND SECOND GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-805-0457 INTERCHANGEABLE
Beam,structural
5975-00-879-654214476 INTERCHANGEABLE
Conduit Assembly,metal,rigid
Triumph Controls, Llc Dba Triumph Controls, Llc
5330-01-034-346614476 INTERCHANGEABLE
Gasket
Leica Inc Surveying and Photogrammetry Systems Div
6145-01-126-4844 INTERCHANGEABLE
Cable,special Purpose,electrical
2915-01-226-214614476 INTERCHANGEABLE
Impeller,fuel
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
6520-01-581-0159263739 INTERCHANGEABLE
Turbine,dental Handpiece
Dentalez, Inc. Dba Star Dental
Cross-Reference Index
Part NumberManufacturer
2330B9004 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
2330B9004 Lockheed Corp Lockheed Electronics Co Inc (USA)
C0-1J2-72 Roller Bearing Co of America, Inc Div Pic Design (USA)
14476 Southern Gear & Machine Inc (USA)
Related Parts
9540-00-805-0457INTERCHANGEABLE
BEAM,STRUCTURAL
5975-00-879-6542INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,RIGID
14476
5330-01-034-3466INTERCHANGEABLE
GASKET
14476
6145-01-126-4844INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2915-01-226-2146INTERCHANGEABLE
IMPELLER,FUEL
14476
6520-01-581-0159INTERCHANGEABLE
TURBINE,DENTAL HANDPIECE
263739

Frequently Asked Questions

What is NSN 3020-00-928-2127?

NSN 3020-00-928-2127 is a Gear Cluster, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-928-2127?

NSN 3020-00-928-2127 has 4 cross-referenced part numbers: 2330B9004 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 2330B9004 (Lockheed Corp Lockheed Electronics Co Inc), C0-1J2-72 (Roller Bearing Co of America, Inc Div Pic Design), 14476 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-928-2127?

There are 6 known substitutes for 3020-00-928-2127: 9540-00-805-0457, 5975-00-879-6542, 5330-01-034-3466 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2330B9004?

Key specifications for 2330B9004: Design Type: SPUR FIRST GEAR; Design Type: SPUR SECOND GEAR; Surface Treatment: PASSIVATE SHAFT/HUB; Material Document and Classification: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR. 23 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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