PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40704-1Gear,spur

The Dewey Electronics Corporation · NSN 3020-00-451-1293 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-451-1293 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-451-1293. Primary manufacturer part number: 40704-1.
Features
  • Gear,spur — FSC 3020
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Surface Treatment: ANODIZE OVERALL
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 30
  • Style Designator: PROTRUDING HUB
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-451-1293, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Dewey Electronics Corporation. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-451-1293
Primary Part Number40704-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation
StatusACTIVE
MaterialALUMINUM ALLOY 2024 OVERALL
Surface TreatmentANODIZE OVERALL
Hub Nominal Diameter0.375 INCHES FIRST END IN
Body StylePLAIN, SOLID
Teeth Quantity30
Style DesignatorPROTRUDING HUB
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Precision ClassificationQUALITY NUMBER 12
Tooth FormSTANDARD
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Outside Diameter0.666 INCHES IN
Hub Style DesignatorPINNED FIRST END
Face Nominal Width0.125 INCHES IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter0.6243 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5945-00-008-0426008010-1 INTERCHANGEABLE
Relay,reed
Ge Aviation Systems Llc
5310-00-045-4007NASM35338-41 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1650-00-474-2127407041 INTERCHANGEABLE
Bladder,hydraulic Accumulator
Moog Military Aircraft Llc
4820-01-176-046340704-3 INTERCHANGEABLE
Seat,valve
Rogerson Aircraft Equipment Group
Cross-Reference Index
Part NumberManufacturer
40704-1 PRIMARY The Dewey Electronics Corporation (USA)
Related Parts
5945-00-008-0426INTERCHANGEABLE
RELAY,REED
008010-1
5310-00-045-4007INTERCHANGEABLE
WASHER,LOCK
NASM35338-41
1650-00-474-2127INTERCHANGEABLE
BLADDER,HYDRAULIC ACCUMULATOR
407041
4820-01-176-0463INTERCHANGEABLE
SEAT,VALVE
40704-3

Frequently Asked Questions

What is NSN 3020-00-451-1293?

NSN 3020-00-451-1293 is a Gear,spur, manufactured by The Dewey Electronics Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-451-1293?

NSN 3020-00-451-1293 has 1 cross-referenced part number: 40704-1 (The Dewey Electronics Corporation).

What NSN replaces 3020-00-451-1293?

There are 4 known substitutes for 3020-00-451-1293: 5945-00-008-0426, 5310-00-045-4007, 1650-00-474-2127 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40704-1?

Key specifications for 40704-1: Material: ALUMINUM ALLOY 2024 OVERALL; Surface Treatment: ANODIZE OVERALL; Hub Nominal Diameter: 0.375 INCHES FIRST END IN; Body Style: PLAIN, SOLID. 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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