PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-6PC77Gear,worm

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 3020-00-517-2364 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-2364 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-2364. Primary manufacturer part number: 8-6PC77.
Features
  • Gear,worm — FSC 3020
  • Pitch Diameter: 0.5440 INCHES NOMINAL IN
  • Thread Form Direction: LEFT-HAND
  • Nominal Outside Diameter: 0.600 INCHES IN
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Face Nominal Width: 0.250 INCHES IN
  • Helix Angle: 80.7664 DEGREES
  • Material: STEEL OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-517-2364, 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 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-517-2364
Primary Part Number8-6PC77
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
Pitch Diameter0.5440 INCHES NOMINAL IN
Thread Form DirectionLEFT-HAND
Nominal Outside Diameter0.600 INCHES IN
Hub Nominal Diameter0.375 INCHES FIRST END IN
Face Nominal Width0.250 INCHES IN
Helix Angle80.7664 DEGREES
MaterialSTEEL OVERALL
Style DesignatorPROTRUDING HUB
Thread Form Quantity3
Bore Nominal Diameter0.186 INCHES BOTH ENDS IN
Pressure Angle14.5000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.187 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
Bore StylePLAIN BOTH ENDS
Face TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2805-00-271-954358010A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5962-00-321-7972SMA731262 INTERCHANGEABLE
Amplifier
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-497-3894 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
8-6PC77 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
S907 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Related Parts
2805-00-271-9543INTERCHANGEABLE
VALVE,POPPET,ENGINE
58010A
5962-00-321-7972INTERCHANGEABLE
AMPLIFIER
SMA731262
5310-00-497-3894INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 3020-00-517-2364?

NSN 3020-00-517-2364 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 3020-00-517-2364?

NSN 3020-00-517-2364 has 2 cross-referenced part numbers: 8-6PC77 (The Dewey Electronics Corporation Div Pitometer Log Division), S907 (The Dewey Electronics Corporation Div Pitometer Log Division).

What NSN replaces 3020-00-517-2364?

There are 3 known substitutes for 3020-00-517-2364: 2805-00-271-9543, 5962-00-321-7972, 5310-00-497-3894. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-6PC77?

Key specifications for 8-6PC77: Pitch Diameter: 0.5440 INCHES NOMINAL IN; Thread Form Direction: LEFT-HAND; Nominal Outside Diameter: 0.600 INCHES IN; Hub Nominal Diameter: 0.375 INCHES FIRST END IN. 15 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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