PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73038Gear,spur

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-01-050-9374 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-050-9374 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-050-9374. Primary manufacturer part number: 73038.
Features
  • Gear,spur — FSC 3020
  • Pressure Angle: 20.0000 DEGREES
  • Backlash Designation: GRADE B
  • Style Designator: HUBLESS, RECESSED BODY
  • Body Recess Nominal Depth: 0.031 INCHES FIRST END IN
  • Bore Style: PLAIN BOTH ENDS
  • Bore Nominal Diameter: 0.438 INCHES BOTH ENDS IN
  • Precision Classification: QUALITY NUMBER 9
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-050-9374, 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 & Airborne Systems. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-050-9374
Primary Part Number73038
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Pressure Angle20.0000 DEGREES
Backlash DesignationGRADE B
Style DesignatorHUBLESS, RECESSED BODY
Body Recess Nominal Depth0.031 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter0.438 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 9
MaterialSTEEL COMP 303 OVERALL
Surface TreatmentPASSIVATE OVERALL
Nominal Outside Diameter1.415 INCHES IN
Tooth FormSTANDARD
Material Document and ClassificationQQ-S-763,CLASS303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StyleWEBBED, OFFSET, SOLID
Pitch Diameter1.2500 INCHES NOMINAL IN
Face Nominal Width0.125 INCHES IN
Teeth Quantity15
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-939-9100A23428-4 INTERCHANGEABLE
O-Ring
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3040-01-198-3112 INTERCHANGEABLE
Connecting Link,rigid
5998-01-374-6583 INTERCHANGEABLE
Circuit Card Assembly
1550-01-652-964773038 INTERCHANGEABLE
Unmanned Aircraft
Aerovironment, Inc.
5310-01-710-949373038 INTERCHANGEABLE
Nut,plain,round
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
73038 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5331-00-939-9100INTERCHANGEABLE
O-RING
A23428-4
3040-01-198-3112INTERCHANGEABLE
CONNECTING LINK,RIGID
5998-01-374-6583INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1550-01-652-9647INTERCHANGEABLE
UNMANNED AIRCRAFT
73038
5310-01-710-9493INTERCHANGEABLE
NUT,PLAIN,ROUND
73038

Frequently Asked Questions

What is NSN 3020-01-050-9374?

NSN 3020-01-050-9374 is a Gear,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-050-9374?

NSN 3020-01-050-9374 has 1 cross-referenced part number: 73038 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-01-050-9374?

There are 5 known substitutes for 3020-01-050-9374: 5331-00-939-9100, 3040-01-198-3112, 5998-01-374-6583 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73038?

Key specifications for 73038: Pressure Angle: 20.0000 DEGREES; Backlash Designation: GRADE B; Style Designator: HUBLESS, RECESSED BODY; Body Recess Nominal Depth: 0.031 INCHES FIRST END IN. 16 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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