PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4084Gear Cluster

Simmonds Precision Products Inc · NSN 3020-00-001-6776 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-001-6776 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-001-6776. Primary manufacturer part number: A4084.
Features
  • Gear Cluster — FSC 3020
  • Nominal Outside Diameter: 0.573 INCHES FIRST GEAR IN
  • Design Type: SPUR SECOND GEAR
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
  • Construction: SOLID
  • Hub Nominal Length: 0.031 INCHES BETWEEN FIRST AND SECOND GEAR IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-001-6776, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-001-6776
Primary Part NumberA4084
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Nominal Outside Diameter0.573 INCHES FIRST GEAR IN
Design TypeSPUR SECOND GEAR
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
ConstructionSOLID
Hub Nominal Length0.031 INCHES BETWEEN FIRST AND SECOND GEAR IN
Material Document and ClassificationQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length0.185 INCHES IN
Design TypeSPUR FIRST GEAR
Bore Nominal Diameter0.047 INCHES BOTH ENDS IN
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Nominal Outside Diameter0.217 INCHES SECOND GEAR IN
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-402-87448212SS0632-7 INTERCHANGEABLE
Nut,plain,hexagon
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
6130-01-243-3326A4084 INTERCHANGEABLE
Power Supply
Acopian Technical Company
Cross-Reference Index
Part NumberManufacturer
A4084 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
5310-00-402-8744INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8212SS0632-7
6130-01-243-3326INTERCHANGEABLE
POWER SUPPLY
A4084

Frequently Asked Questions

What is NSN 3020-00-001-6776?

NSN 3020-00-001-6776 is a Gear Cluster, manufactured by Simmonds Precision Products Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-001-6776?

NSN 3020-00-001-6776 has 1 cross-referenced part number: A4084 (Simmonds Precision Products Inc).

What NSN replaces 3020-00-001-6776?

There are 2 known substitutes for 3020-00-001-6776: 5310-00-402-8744, 6130-01-243-3326. Verify interchangeability with system specifications before substitution.

What are the specifications of A4084?

Key specifications for A4084: Nominal Outside Diameter: 0.573 INCHES FIRST GEAR IN; Design Type: SPUR SECOND GEAR; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: ALUMINUM ALLOY 2024 OVERALL. 15 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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