PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

147542Gear,helical

Lake Shore Systems, Inc. · NSN 3020-01-226-1627 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-226-1627 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-226-1627. Primary manufacturer part number: 147542.
Features
  • Gear,helical — FSC 3020
  • Face Nominal Width: 4.000 INCHES IN
  • Teeth Quantity: 118
  • Bore Nominal Diameter: 6.000 INCHES BOTH ENDS IN
  • Teeth Type: DOUBLE HELIX, SOLID
  • Material: STEEL OVERALL
  • Nominal Outside Diameter: 29.700 INCHES 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,helical, cataloged under National Stock Number 3020-01-226-1627, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-226-1627
Primary Part Number147542
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Face Nominal Width4.000 INCHES IN
Teeth Quantity118
Bore Nominal Diameter6.000 INCHES BOTH ENDS IN
Teeth TypeDOUBLE HELIX, SOLID
MaterialSTEEL OVERALL
Nominal Outside Diameter29.700 INCHES IN
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-323-1589 INTERCHANGEABLE
Adapter,connector
2520-00-932-223112969 INTERCHANGEABLE
Cover Assembly
Sachs-Boge of America
5998-01-135-20943690-2 INTERCHANGEABLE
Extender Card,electronic Test
Vector Electronics & Technology Inc
3020-01-225-6986147552 INTERCHANGEABLE
Gear,helical
Lake Shore Systems, Inc.
3020-01-225-6995147212 INTERCHANGEABLE
Gear,spur
Lake Shore Systems, Inc.
3020-01-225-6996147532 INTERCHANGEABLE
Gear,spur
Lake Shore Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
36904 Lake Shore Systems, Inc. (USA)
36904 PIECE 39 Lake Shore Systems, Inc. (USA)
147542 PRIMARY Lake Shore Systems, Inc. (USA)
Related Parts
5935-00-323-1589INTERCHANGEABLE
ADAPTER,CONNECTOR
2520-00-932-2231INTERCHANGEABLE
COVER ASSEMBLY
12969
5998-01-135-2094INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
3690-2
3020-01-225-6986INTERCHANGEABLE
GEAR,HELICAL
147552
3020-01-225-6995INTERCHANGEABLE
GEAR,SPUR
147212
3020-01-225-6996INTERCHANGEABLE
GEAR,SPUR
147532

Frequently Asked Questions

What is NSN 3020-01-226-1627?

NSN 3020-01-226-1627 is a Gear,helical, manufactured by Lake Shore Systems, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-226-1627?

NSN 3020-01-226-1627 has 3 cross-referenced part numbers: 36904 (Lake Shore Systems, Inc.), 36904 PIECE 39 (Lake Shore Systems, Inc.), 147542 (Lake Shore Systems, Inc.).

What NSN replaces 3020-01-226-1627?

There are 6 known substitutes for 3020-01-226-1627: 5935-00-323-1589, 2520-00-932-2231, 5998-01-135-2094 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 147542?

Key specifications for 147542: Face Nominal Width: 4.000 INCHES IN; Teeth Quantity: 118; Bore Nominal Diameter: 6.000 INCHES BOTH ENDS IN; Teeth Type: DOUBLE HELIX, SOLID. 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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