PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49ALT2PC23Gear,worm Wheel

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 3020-00-517-2807 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-2807 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-2807. Primary manufacturer part number: 49ALT2PC23.
Features
  • Gear,worm Wheel — FSC 3020
  • Helix Angle: 3.5498 DEGREES
  • Body Style: PLAIN, SOLID
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 14.5000 DEGREES
  • Material: COPPER ALLOY OVERALL
  • Face Nominal Width: 0.156 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,worm Wheel, cataloged under National Stock Number 3020-00-517-2807, 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 18 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-517-2807
Primary Part Number49ALT2PC23
Item NameGear,worm Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
Helix Angle3.5498 DEGREES
Body StylePLAIN, SOLID
Style DesignatorPROTRUDING HUB
Pressure Angle14.5000 DEGREES
MaterialCOPPER ALLOY OVERALL
Face Nominal Width0.156 INCHES IN
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter0.500 INCHES IN
Tooth DirectionLEFT
Nominal Distance Between Body Face and Protruding Hub End0.188 INCHES FIRST END IN
Teeth Quantity20
Hub Nominal Diameter0.344 INCHES FIRST END IN
Throat Nominal Radius0.177 INCHES IN
Face TypeCONCAVE
Mating Thread Lead Quantity1
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Pitch Diameter0.4140 INCHES MINIMUM AND 0.4160 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6220-00-211-3985A-2345 INTERCHANGEABLE
Flange,circular Light
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
49ALT2PC23 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
S1187 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Related Parts
6220-00-211-3985INTERCHANGEABLE
FLANGE,CIRCULAR LIGHT
A-2345

Frequently Asked Questions

What is NSN 3020-00-517-2807?

NSN 3020-00-517-2807 is a Gear,worm Wheel, 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 3020-00-517-2807?

NSN 3020-00-517-2807 has 2 cross-referenced part numbers: 49ALT2PC23 (The Dewey Electronics Corporation Div Pitometer Log Division), S1187 (The Dewey Electronics Corporation Div Pitometer Log Division).

What NSN replaces 3020-00-517-2807?

There is 1 known substitute for 3020-00-517-2807: 6220-00-211-3985. Verify interchangeability with system specifications before substitution.

What are the specifications of 49ALT2PC23?

Key specifications for 49ALT2PC23: Helix Angle: 3.5498 DEGREES; Body Style: PLAIN, SOLID; Style Designator: PROTRUDING HUB; Pressure Angle: 14.5000 DEGREES. 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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