PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1774Gear Cluster

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 3020-00-941-5998 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-941-5998 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-941-5998. Primary manufacturer part number: 1774.
Features
  • Gear Cluster — FSC 3020
  • Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR
  • Nominal Overall Length: 0.625 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Attachment Method: MOUNTING HOLE
  • Construction: SOLID
  • Nominal Outside Diameter: 1.3125 INCHES SECOND GEAR IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-941-5998, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-941-5998
Primary Part Number1774
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Nominal Overall Length0.625 INCHES IN
MaterialCOPPER ALLOY OVERALL
Bore StylePLAIN BOTH ENDS
Attachment MethodMOUNTING HOLE
ConstructionSOLID
Nominal Outside Diameter1.3125 INCHES SECOND GEAR IN
Hub Nominal Diameter1.125 INCHES BETWEEN FIRST AND SECOND GEAR IN
Design TypeSPUR SECOND GEAR
Hub Nominal Length0.375 INCHES BETWEEN FIRST AND SECOND GEAR IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Design TypeSPUR FIRST GEAR
Nominal Outside Diameter3.1875 INCHES FIRST GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-155-717357A5A228-1 INTERCHANGEABLE
Terminal Board
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-00-352-64381774 INTERCHANGEABLE
Spring,helical,extension
Fwd Seagrave Holdings Lp
4820-00-609-74362348 INTERCHANGEABLE
Piston,valve
Imi Cash Valve Inc
5935-01-045-7671WTDX10SJT INTERCHANGEABLE
Connector Body,plug,electrical
Airborn Interconnect, Llc
5905-01-243-3631325-0331-00 INTERCHANGEABLE
Resistor Set,matched
Tektronix, Inc.
5905-01-293-386012-01774-1A INTERCHANGEABLE
Resistor,fixed,film
Ballantine Laboratories Inc
4730-01-325-072051774 INTERCHANGEABLE
Strainer Element,sediment
Wix Corp
5305-01-415-61391774 INTERCHANGEABLE
Screw,machine
Droitcour Co
Cross-Reference Index
Part NumberManufacturer
1774 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5940-00-155-7173INTERCHANGEABLE
TERMINAL BOARD
57A5A228-1
5360-00-352-6438INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
1774
4820-00-609-7436INTERCHANGEABLE
PISTON,VALVE
2348
5935-01-045-7671INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
WTDX10SJT
5905-01-243-3631INTERCHANGEABLE
RESISTOR SET,MATCHED
325-0331-00
5905-01-293-3860INTERCHANGEABLE
RESISTOR,FIXED,FILM
12-01774-1A
4730-01-325-0720INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
51774
5305-01-415-6139INTERCHANGEABLE
SCREW,MACHINE
1774

Frequently Asked Questions

What is NSN 3020-00-941-5998?

NSN 3020-00-941-5998 is a Gear Cluster, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-941-5998?

NSN 3020-00-941-5998 has 1 cross-referenced part number: 1774 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 3020-00-941-5998?

There are 8 known substitutes for 3020-00-941-5998: 5940-00-155-7173, 5360-00-352-6438, 4820-00-609-7436 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1774?

Key specifications for 1774: Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR; Nominal Overall Length: 0.625 INCHES IN; Material: COPPER ALLOY OVERALL; Bore Style: PLAIN BOTH ENDS. 13 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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