PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31050-1Gear,spur

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 3020-01-179-9947 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-179-9947 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-179-9947. Primary manufacturer part number: 31050-1.
Features
  • Gear,spur — FSC 3020
  • Bolt Hole Circle Nominal Diameter: 1.062 INCHES AXIALLY THROUGH FLANGE IN
  • Mounting Hole Type and Quantity: 3 PLAIN AXIALLY THROUGH FLANGE
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Pressure Angle: 20.0000 DEGREES
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
  • Bolt Hole Circle Nominal Diameter: 1.062 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Tooth Form: STANDARD
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 3020-01-179-9947, 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 Div Pitometer Log Division. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-179-9947
Primary Part Number31050-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
Bolt Hole Circle Nominal Diameter1.062 INCHES AXIALLY THROUGH FLANGE IN
Mounting Hole Type and Quantity3 PLAIN AXIALLY THROUGH FLANGE
MaterialALUMINUM ALLOY 2024 OVERALL
Pressure Angle20.0000 DEGREES
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Bolt Hole Circle Nominal Diameter1.062 INCHES AXIALLY THROUGH BODY FIRST END IN
Tooth FormSTANDARD
Pitch Diameter1.4166 INCHES NOMINAL IN
Style DesignatorFLANGED END WITH PILOT
Flange Nominal Thickness0.156 INCHES IN
Bore StylePLAIN BOTH ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Mounting Hole Nominal Diameter0.156 INCHES AXIALLY THROUGH FLANGE IN
Nominal Outside Diameter1.458 INCHES IN
Bore Nominal Diameter0.312 INCHES BOTH ENDS IN
Pilot Nominal Diameter0.750 INCHES IN
Surface TreatmentANODIZE OVERALL
Mounting Hole Type and Quantity3 PLAIN AXIALLY THROUGH BODY FIRST END
Face Nominal Width0.187 INCHES IN
Nominal Distance Between Outer Body Face and Inner Flange Face0.844 INCHES IN
Body StylePLAIN, SOLID
Mounting Hole Nominal Diameter0.128 INCHES AXIALLY THROUGH BODY FIRST END IN
Pilot Nominal Length0.219 INCHES IN
Material Document and ClassificationQQ-A-200/1,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Teeth Quantity68
Flange Nominal Diameter1.500 INCHES IN
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-004-516131050 INTERCHANGEABLE
Gasket
Mcneil Ohio Corp
5950-00-250-1831WTB17378 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Dba Harris Corporation
5920-00-256-9362 INTERCHANGEABLE
Fuse Link,electrical
5330-00-421-789431050 INTERCHANGEABLE
Gasket
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5925-00-500-6809S0F14054 INTERCHANGEABLE
Circuit Breaker
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5120-00-596-120731-050 INTERCHANGEABLE
Tape,fish
Ideal Industries, Inc.
5950-00-608-047931050 INTERCHANGEABLE
Transformer,power
Belfort Instrument Company
5975-00-962-98918121 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
3110-00-992-811631050-1 INTERCHANGEABLE
Plate,retaining,bearing
Pax Mfg Corp Hammarlund Mfg Co Div
4730-01-018-9113431050-001 INTERCHANGEABLE
Coupling Half,quick Disconnect
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
31050 The Dewey Electronics Corporation Div Pitometer Log Division (USA)
31050-1 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Related Parts
5330-00-004-5161INTERCHANGEABLE
GASKET
31050
5950-00-250-1831INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
WTB17378
5920-00-256-9362INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5330-00-421-7894INTERCHANGEABLE
GASKET
31050
5925-00-500-6809INTERCHANGEABLE
CIRCUIT BREAKER
S0F14054
5120-00-596-1207INTERCHANGEABLE
TAPE,FISH
31-050
5950-00-608-0479INTERCHANGEABLE
TRANSFORMER,POWER
31050
5975-00-962-9891INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8121
3110-00-992-8116INTERCHANGEABLE
PLATE,RETAINING,BEARING
31050-1
4730-01-018-9113INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
431050-001
6685-01-268-5017INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
1037-15169
5120-01-357-4767INTERCHANGEABLE
WRENCH,PIPE
31050

Frequently Asked Questions

What is NSN 3020-01-179-9947?

NSN 3020-01-179-9947 is a Gear,spur, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-179-9947?

NSN 3020-01-179-9947 has 2 cross-referenced part numbers: 31050 (The Dewey Electronics Corporation Div Pitometer Log Division), 31050-1 (The Dewey Electronics Corporation Div Pitometer Log Division).

What NSN replaces 3020-01-179-9947?

There are 12 known substitutes for 3020-01-179-9947: 5330-00-004-5161, 5950-00-250-1831, 5920-00-256-9362 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31050-1?

Key specifications for 31050-1: Bolt Hole Circle Nominal Diameter: 1.062 INCHES AXIALLY THROUGH FLANGE IN; Mounting Hole Type and Quantity: 3 PLAIN AXIALLY THROUGH FLANGE; Material: ALUMINUM ALLOY 2024 OVERALL; Pressure Angle: 20.0000 DEGREES. 27 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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