PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-10-3-1Gear,worm

Leeds and Northrup Co a Unit of General Signal Corp · NSN 3020-00-701-2819 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-701-2819 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-701-2819. Primary manufacturer part number: 9-10-3-1.
Features
  • Gear,worm — FSC 3020
  • Hardness Rating: 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
  • Thread Form Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Style Designator: PROTRUDING HUB
  • Hub Style Designator: SPLIT FIRST END
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Bore Style: PLAIN BOTH ENDS
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 3020-00-701-2819, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-701-2819
Primary Part Number9-10-3-1
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLeeds and Northrup Co a Unit of General Signal Corp
StatusACTIVE
Hardness Rating90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
Thread Form DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Style DesignatorPROTRUDING HUB
Hub Style DesignatorSPLIT FIRST END
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-266-182158898-1816 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Tld Ace Corp Div Tld Ace
5975-00-518-319491031 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2920-00-900-799310947439 INTERCHANGEABLE
Regulator,engine Generator
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
9-10-3-1 Leeds and Northrup Co a Unit of General Signal Corp (USA)
Related Parts
4730-00-266-1821INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
58898-1816
5975-00-518-3194INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
91031
2920-00-900-7993INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
10947439

Frequently Asked Questions

What is NSN 3020-00-701-2819?

NSN 3020-00-701-2819 is a Gear,worm, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-701-2819?

NSN 3020-00-701-2819 has 1 cross-referenced part number: 9-10-3-1 (Leeds and Northrup Co a Unit of General Signal Corp).

What NSN replaces 3020-00-701-2819?

There are 3 known substitutes for 3020-00-701-2819: 4730-00-266-1821, 5975-00-518-3194, 2920-00-900-7993. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-10-3-1?

Key specifications for 9-10-3-1: Hardness Rating: 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL; Thread Form Direction: RIGHT-HAND; Material: STEEL OVERALL; Style Designator: PROTRUDING HUB. 7 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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