PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1770773Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-027-4724 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-027-4724 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-027-4724. Primary manufacturer part number: 1770773.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.200 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Face Nominal Width: 0.095 INCHES IN
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Hub Style Designator: PLAIN FIRST END
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 3020-00-027-4724, 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 16 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-027-4724
Primary Part Number1770773
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Nominal Distance Between Body Face and Protruding Hub End0.200 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Face Nominal Width0.095 INCHES IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Hub Nominal Diameter0.375 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
Tooth FormSTANDARD
Nominal Outside Diameter0.405 INCHES IN
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
MaterialALUMINUM ALLOY 6061 OVERALL
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Teeth Quantity24
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2910-00-364-5853WMB2057-1X INTERCHANGEABLE
Sleeve,control
Ambac International Corporation Div Ambac International
1680-00-473-52064150-1 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Aerocontrolex Group, Inc. Div Talley Actuators
5930-00-478-0147 INTERCHANGEABLE
Switch,rotary
5950-00-646-3162SM-B-105183 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-827-595149699 INTERCHANGEABLE
Float,valve
Liquid Controls, L.l.c. Div Idex Corporation
2520-01-015-722630061X INTERCHANGEABLE
Parts Kit,universal Joint
Neapco Inc
4240-01-248-985041501 INTERCHANGEABLE
Cushion,face
Mine Safety Appliances Company
5120-01-671-74574-1501 INTERCHANGEABLE
Key,socket Head Screw
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
41-501 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1770773 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
2910-00-364-5853INTERCHANGEABLE
SLEEVE,CONTROL
WMB2057-1X
1680-00-473-5206INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
4150-1
5930-00-478-0147INTERCHANGEABLE
SWITCH,ROTARY
5950-00-646-3162INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-105183
4820-00-827-5951INTERCHANGEABLE
FLOAT,VALVE
49699
2520-01-015-7226INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
30061X
4240-01-248-9850INTERCHANGEABLE
CUSHION,FACE
41501
5120-01-671-7457INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4-1501

Frequently Asked Questions

What is NSN 3020-00-027-4724?

NSN 3020-00-027-4724 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 3020-00-027-4724?

NSN 3020-00-027-4724 has 2 cross-referenced part numbers: 41-501 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1770773 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-027-4724?

There are 8 known substitutes for 3020-00-027-4724: 2910-00-364-5853, 1680-00-473-5206, 5930-00-478-0147 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1770773?

Key specifications for 1770773: Pitch Diameter: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Nominal Distance Between Body Face and Protruding Hub End: 0.200 INCHES FIRST END IN; Style Designator: PROTRUDING HUB; Face Nominal Width: 0.095 INCHES 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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