PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-594Gear Cluster

Secs Inc · NSN 3020-00-032-1674 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-032-1674 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-032-1674. Primary manufacturer part number: 01-594.
Features
  • Gear Cluster — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Hub Nominal Diameter: 0.2500 INCHES FIRST END IN
  • Design Type: SPUR FIRST GEAR
  • Nominal Outside Diameter: 0.5406 INCHES SECOND GEAR IN
  • Nominal Outside Diameter: 0.6448 INCHES FIRST GEAR IN
  • Design Type: SPUR SECOND GEAR
  • Hub Nominal Length: 0.282 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-032-1674, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Secs Inc. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-032-1674
Primary Part Number01-594
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSecs Inc
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.2500 INCHES FIRST END IN
Design TypeSPUR FIRST GEAR
Nominal Outside Diameter0.5406 INCHES SECOND GEAR IN
Nominal Outside Diameter0.6448 INCHES FIRST GEAR IN
Design TypeSPUR SECOND GEAR
Hub Nominal Length0.282 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Precision ClassificationQUALITY NUMBER 10 ALL GEARS
Nominal Overall Length0.500 INCHES IN
ConstructionSOLID
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-819-173801594 INTERCHANGEABLE
Pin,straight,headless
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5935-00-994-773501594 INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
Cross-Reference Index
Part NumberManufacturer
GG515BF1 Northrop Grumman Systems Corporation (USA)
01-594 PRIMARY Secs Inc (USA)
Related Parts
5315-00-819-1738INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
01594
5935-00-994-7735INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
01594

Frequently Asked Questions

What is NSN 3020-00-032-1674?

NSN 3020-00-032-1674 is a Gear Cluster, manufactured by Secs Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-032-1674?

NSN 3020-00-032-1674 has 2 cross-referenced part numbers: GG515BF1 (Northrop Grumman Systems Corporation), 01-594 (Secs Inc).

What NSN replaces 3020-00-032-1674?

There are 2 known substitutes for 3020-00-032-1674: 5315-00-819-1738, 5935-00-994-7735. Verify interchangeability with system specifications before substitution.

What are the specifications of 01-594?

Key specifications for 01-594: Bore Style: PLAIN BOTH ENDS; Hub Nominal Diameter: 0.2500 INCHES FIRST END IN; Design Type: SPUR FIRST GEAR; Nominal Outside Diameter: 0.5406 INCHES SECOND GEAR IN. 14 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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