PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

5190385Gear,spur

Naval Sea Systems Command · NSN 3020-01-365-9218 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-365-9218 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-365-9218. Primary manufacturer part number: 5190385.
Features
  • Gear,spur — FSC 3020
  • Hardness Rating: 32.0 ROCKWELL C NOMINAL OVERALL
  • Bore Style: PLAIN COUNTERBORE FIRST END
  • Nominal Outside Diameter: 24.299 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Nominal Distance Between Body Face and Recessed Hub End: 1.5000 INCHES BETWEEN BODY AND FLANGE IN
  • Pitch Diameter: 24.0000 INCHES NOMINAL IN
  • Material: STEEL COMP 4140 OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-365-9218, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-365-9218
Primary Part Number5190385
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Hardness Rating32.0 ROCKWELL C NOMINAL OVERALL
Bore StylePLAIN COUNTERBORE FIRST END
Nominal Outside Diameter24.299 INCHES IN
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Recessed Hub End1.5000 INCHES BETWEEN BODY AND FLANGE IN
Pitch Diameter24.0000 INCHES NOMINAL IN
MaterialSTEEL COMP 4140 OVERALL
Face Nominal Width2.0000 INCHES IN
Style DesignatorRECESSED HUBS
Teeth Quantity44
Bore Nominal Diameter11.7500 INCHES BETWEEN BODY AND FLANGE IN
Body StyleWEBBED, WITH LIGHTENING HOLES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-499-1214A3189 INTERCHANGEABLE
Shifter Fork,vehicular
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
5190385 General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
3020PL0961981 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5190385 Joly Engineering Ltd (CAN)
5190385 PRIMARY Naval Sea Systems Command (USA)
Related Parts
2520-00-499-1214INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
A3189

Frequently Asked Questions

What is NSN 3020-01-365-9218?

NSN 3020-01-365-9218 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-365-9218?

NSN 3020-01-365-9218 has 4 cross-referenced part numbers: 5190385 (General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems), 3020PL0961981 (Jednolity Indeks Materialowy - Uniform Material Index), 5190385 (Joly Engineering Ltd), 5190385 (Naval Sea Systems Command).

What NSN replaces 3020-01-365-9218?

There is 1 known substitute for 3020-01-365-9218: 2520-00-499-1214. Verify interchangeability with system specifications before substitution.

What are the specifications of 5190385?

Key specifications for 5190385: Hardness Rating: 32.0 ROCKWELL C NOMINAL OVERALL; Bore Style: PLAIN COUNTERBORE FIRST END; Nominal Outside Diameter: 24.299 INCHES IN; Pressure Angle: 20.0000 DEGREES. 12 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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