PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1709Gear,spur

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 3020-00-540-4454 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-540-4454 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-540-4454. Primary manufacturer part number: 1709.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: PINNED FIRST END
  • Material Document and Classification: NAVY 46B15,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Face Nominal Width: 0.125 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Bore Style: PLAIN BOTH ENDS
  • Material: COPPER ALLOY OVERALL
  • Nominal Outside Diameter: 1.937 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-540-4454, 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 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-540-4454
Primary Part Number1709
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Hub Style DesignatorPINNED FIRST END
Material Document and ClassificationNAVY 46B15,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.125 INCHES IN
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter1.937 INCHES IN
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUB
Body StylePLAIN, WITH LIGHTENING HOLES
Pitch Diameter1.8750 INCHES NOMINAL IN
Teeth Quantity60
Hub Nominal Diameter0.500 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-008-1452 INTERCHANGEABLE
Ratchet Lever,rever
6145-00-059-5345 INTERCHANGEABLE
Cable,power,electrical
5905-00-062-0721 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
2520-00-122-7629PT1705 INTERCHANGEABLE
Shaft,yoke
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
3110-00-151-85173244092 INTERCHANGEABLE
Retainer and Balls,bearing
Hatch & Kirk, Inc.
5970-00-175-2742 INTERCHANGEABLE
Insulator,standoff
5120-00-277-1246 INTERCHANGEABLE
Wrench,open End
5330-00-383-7487400A00416 INTERCHANGEABLE
Gasket
Sealcraft Corporation
5915-00-501-2188817636 INTERCHANGEABLE
Filter,radio Frequency Interfere
Lockheed Martin Corporation Div Rms - Mitchel Field
5340-00-619-73921709-C2 INTERCHANGEABLE
Clamp,loop
Arco Industries Corp
Cross-Reference Index
Part NumberManufacturer
1709 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
1709 Profile Gear Corp (USA)
Related Parts
5120-00-008-1452INTERCHANGEABLE
RATCHET LEVER,REVER
6145-00-059-5345INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5905-00-062-0721INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2520-00-122-7629INTERCHANGEABLE
SHAFT,YOKE
PT1705
3110-00-151-8517INTERCHANGEABLE
RETAINER AND BALLS,BEARING
3244092
5970-00-175-2742INTERCHANGEABLE
INSULATOR,STANDOFF
5120-00-277-1246INTERCHANGEABLE
WRENCH,OPEN END
5330-00-383-7487INTERCHANGEABLE
GASKET
400A00416
5915-00-501-2188INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
817636
5340-00-619-7392INTERCHANGEABLE
CLAMP,LOOP
1709-C2
5340-01-065-6732INTERCHANGEABLE
BUTTON,PLUG
11-392-CORM
5330-01-088-6109INTERCHANGEABLE
GASKET
1709

Frequently Asked Questions

What is NSN 3020-00-540-4454?

NSN 3020-00-540-4454 is a Gear,spur, 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 3020-00-540-4454?

NSN 3020-00-540-4454 has 2 cross-referenced part numbers: 1709 (L3harris Technologies, Inc. Div Space and Airborne Systems), 1709 (Profile Gear Corp).

What NSN replaces 3020-00-540-4454?

There are 12 known substitutes for 3020-00-540-4454: 5120-00-008-1452, 6145-00-059-5345, 5905-00-062-0721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1709?

Key specifications for 1709: Hub Style Designator: PINNED FIRST END; Material Document and Classification: NAVY 46B15,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Face Nominal Width: 0.125 INCHES IN; Pressure Angle: 20.0000 DEGREES. 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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