PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53743Gear,spur

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 3020-00-946-9952 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-946-9952 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-946-9952. Primary manufacturer part number: 53743.
Features
  • Gear,spur — FSC 3020
  • Style Designator: ONE PROTRUDING HUB, ONE FLUSH HUB
  • Body Style: WEBBED, OFFSET, SOLID
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 1.655 INCHES IN
  • Surface Treatment: PHOSPHATE OVERALL
  • Material: STEEL COMP 4620 OVERALL
  • Nominal Distance From Bore Center to Keyway Bottom: 0.164 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4620 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-946-9952, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 18 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-946-9952
Primary Part Number53743
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
Style DesignatorONE PROTRUDING HUB, ONE FLUSH HUB
Body StyleWEBBED, OFFSET, SOLID
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Outside Diameter1.655 INCHES IN
Surface TreatmentPHOSPHATE OVERALL
MaterialSTEEL COMP 4620 OVERALL
Nominal Distance From Bore Center to Keyway Bottom0.164 INCHES BOTH ENDS IN
Keyway Nominal Width0.064 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.063 INCHES FIRST END IN
Hardness Rating45.0 ROCKWELL C NOMINAL OVERALL
Material Document and ClassificationMIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Style DesignatorPLAIN BOTH ENDS
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter0.370 INCHES BOTH ENDS IN
Face Nominal Width0.187 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
Teeth Quantity78
Pitch Diameter1.7240 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-058-1082128270 INTERCHANGEABLE
Screw,tapping
Navistar Intl Corp Truck Br Ohio Plant
3655-00-065-662953743 INTERCHANGEABLE
Adapter,tailpiece
Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
Cross-Reference Index
Part NumberManufacturer
53743 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
5305-00-058-1082INTERCHANGEABLE
SCREW,TAPPING
128270
3655-00-065-6629INTERCHANGEABLE
ADAPTER,TAILPIECE
53743

Frequently Asked Questions

What is NSN 3020-00-946-9952?

NSN 3020-00-946-9952 is a Gear,spur, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-946-9952?

NSN 3020-00-946-9952 has 1 cross-referenced part number: 53743 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 3020-00-946-9952?

There are 2 known substitutes for 3020-00-946-9952: 5305-00-058-1082, 3655-00-065-6629. Verify interchangeability with system specifications before substitution.

What are the specifications of 53743?

Key specifications for 53743: Style Designator: ONE PROTRUDING HUB, ONE FLUSH HUB; Body Style: WEBBED, OFFSET, SOLID; Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Nominal Outside Diameter: 1.655 INCHES IN. 18 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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