PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31077-1Gear,worm

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 3020-01-064-3877 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-064-3877 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-064-3877. Primary manufacturer part number: 31077-1.
Features
  • Gear,worm — FSC 3020
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.219 INCHES FIRST END IN
  • Helix Angle: 1.7833 DEGREES
  • Bore Style: PLAIN BOTH ENDS
  • Hub Style Designator: PINNED FIRST END
  • Face Nominal Width: 0.750 INCHES IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-01-064-3877, 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 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-064-3877
Primary Part Number31077-1
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.219 INCHES FIRST END IN
Helix Angle1.7833 DEGREES
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPINNED FIRST END
Face Nominal Width0.750 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Pressure Angle14.5000 DEGREES
Style DesignatorPROTRUDING HUB
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Form Quantity1
Thread Form DirectionRIGHT-HAND
Nominal Outside Diameter0.531 INCHES IN
Hub Nominal Diameter0.438 INCHES FIRST END IN
Pitch Diameter0.5000 INCHES NOMINAL IN
Face TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5815-00-974-5973310771 INTERCHANGEABLE
Link
Lucent Technologies Inc Corporate Headquarters
5962-01-033-2274SNC54LS107J-00 INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
31077-1 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Related Parts
5815-00-974-5973INTERCHANGEABLE
LINK
310771
5962-01-033-2274INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNC54LS107J-00

Frequently Asked Questions

What is NSN 3020-01-064-3877?

NSN 3020-01-064-3877 is a Gear,worm, 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 3020-01-064-3877?

NSN 3020-01-064-3877 has 1 cross-referenced part number: 31077-1 (The Dewey Electronics Corporation Div Pitometer Log Division).

What NSN replaces 3020-01-064-3877?

There are 2 known substitutes for 3020-01-064-3877: 5815-00-974-5973, 5962-01-033-2274. Verify interchangeability with system specifications before substitution.

What are the specifications of 31077-1?

Key specifications for 31077-1: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Protruding Hub End: 0.219 INCHES FIRST END IN; Helix Angle: 1.7833 DEGREES; Bore Style: PLAIN BOTH ENDS. 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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