PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2173944Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-012-3936 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-012-3936 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-012-3936. Primary manufacturer part number: 2173944.
Features
  • Gear,spur — FSC 3020
  • Face Nominal Width: 0.093 INCHES IN
  • Nominal Overall Length: 0.375 INCHES IN
  • First Step Nominal Length: 0.037 INCHES FIRST END IN
  • First Step Nominal Diameter: 0.375 INCHES FIRST END IN
  • Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Pitch Diameter: 0.9365 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-012-3936, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-012-3936
Primary Part Number2173944
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Face Nominal Width0.093 INCHES IN
Nominal Overall Length0.375 INCHES IN
First Step Nominal Length0.037 INCHES FIRST END IN
First Step Nominal Diameter0.375 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter0.9365 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
End Nominal Length0.245 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.283 INCHES FIRST END IN
MaterialALUMINUM ALLOY 6061 OVERALL
End Nominal Diameter0.313 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Teeth Quantity90
Body StylePLAIN, SOLID
Nominal Outside Diameter0.957 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3040-00-126-3558101529 INTERCHANGEABLE
Shaft,jack,leveling Support
Allianz Sweeper Company
2530-00-358-9364101529 INTERCHANGEABLE
Axle
Dana Off Highway Products, Llc
5935-00-438-9561CJ80-9 INTERCHANGEABLE
Connector,plug,electrical
Trompeter Electronics, Inc.
5826-00-869-7646101529 INTERCHANGEABLE
Housing Assembly
Astronautics Corporation of America
Cross-Reference Index
Part NumberManufacturer
101-529 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2173944 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2173944 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3040-00-126-3558INTERCHANGEABLE
SHAFT,JACK,LEVELING SUPPORT
101529
2530-00-358-9364INTERCHANGEABLE
AXLE
101529
5935-00-438-9561INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
CJ80-9
5826-00-869-7646INTERCHANGEABLE
HOUSING ASSEMBLY
101529

Frequently Asked Questions

What is NSN 3020-00-012-3936?

NSN 3020-00-012-3936 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-012-3936?

NSN 3020-00-012-3936 has 3 cross-referenced part numbers: 101-529 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2173944 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2173944 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-012-3936?

There are 4 known substitutes for 3020-00-012-3936: 3040-00-126-3558, 2530-00-358-9364, 5935-00-438-9561 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2173944?

Key specifications for 2173944: Face Nominal Width: 0.093 INCHES IN; Nominal Overall Length: 0.375 INCHES IN; First Step Nominal Length: 0.037 INCHES FIRST END IN; First Step Nominal Diameter: 0.375 INCHES FIRST END IN. 17 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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