PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

231386PC14Gear Cluster

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-381-4428 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-381-4428 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-381-4428. Primary manufacturer part number: 231386PC14.
Features
  • Gear Cluster — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR
  • Design Type: SPUR FIRST GEAR
  • Hub Nominal Diameter: 2.537 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Nominal Overall Length: 1.680 INCHES IN
  • Nominal Outside Diameter: 4.373 INCHES FIRST GEAR IN
  • Nominal Outside Diameter: 3.123 INCHES SECOND GEAR IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-381-4428, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-381-4428
Primary Part Number231386PC14
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Design TypeSPUR FIRST GEAR
Hub Nominal Diameter2.537 INCHES BETWEEN FIRST AND SECOND GEAR IN
Nominal Overall Length1.680 INCHES IN
Nominal Outside Diameter4.373 INCHES FIRST GEAR IN
Nominal Outside Diameter3.123 INCHES SECOND GEAR IN
Design TypeSPUR SECOND GEAR
Bore Nominal Diameter2.125 INCHES BOTH ENDS IN
ConstructionSOLID
Material Document and ClassificationMIL-S-890,CLASS BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Hub Nominal Length0.190 INCHES BETWEEN FIRST AND SECOND GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2805-00-362-1200320059 INTERCHANGEABLE
Ring,piston
Chrysler Realty Company Llc Dba Daimler Chrysler
5305-01-193-4848320059 INTERCHANGEABLE
Setscrew
Measurement Systems Inc
5330-01-440-3111320059000 INTERCHANGEABLE
Gasket
Abb Motors & Mechanical Inc
7930-01-665-1167320059 INTERCHANGEABLE
Detergent,utility
Waxie's Enterprises, Llc Dba Waxie Sanitary Supply Div San Diego
Cross-Reference Index
Part NumberManufacturer
320059 American Sandpaper Co (USA)
231386PC14 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
2805-00-362-1200INTERCHANGEABLE
RING,PISTON
320059
5305-01-193-4848INTERCHANGEABLE
SETSCREW
320059
5330-01-440-3111INTERCHANGEABLE
GASKET
320059000
7930-01-665-1167INTERCHANGEABLE
DETERGENT,UTILITY
320059

Frequently Asked Questions

What is NSN 3020-00-381-4428?

NSN 3020-00-381-4428 is a Gear Cluster, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-381-4428?

NSN 3020-00-381-4428 has 2 cross-referenced part numbers: 320059 (American Sandpaper Co), 231386PC14 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-381-4428?

There are 4 known substitutes for 3020-00-381-4428: 2805-00-362-1200, 5305-01-193-4848, 5330-01-440-3111 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 231386PC14?

Key specifications for 231386PC14: Bore Style: PLAIN BOTH ENDS; Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR; Design Type: SPUR FIRST GEAR; Hub Nominal Diameter: 2.537 INCHES BETWEEN FIRST AND SECOND GEAR IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com