PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1-56Gear,helical

General Electric Co Switchgear and Control Division of Apparatus Group · NSN 3020-00-314-3129 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-314-3129 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-314-3129. Primary manufacturer part number: S1-56.
Features
  • Gear,helical — FSC 3020
  • 2 verified cross-references
  • Primary manufacturer: General Electric Co Switchgear and Control Division of Apparatus Group
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-314-3129, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is General Electric Co Switchgear and Control Division of Apparatus Group. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,helical
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersGeneral Electric Co Switchgear and Control Division of Apparatus Group (CAGE 71669); General Electric Company (CAGE 24446)
Technical Specifications
ParameterValue
NSN3020-00-314-3129
Primary Part NumberS1-56
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGeneral Electric Co Switchgear and Control Division of Apparatus Group
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-017-9841 INTERCHANGEABLE
Screw,cap,hexagon Head
3110-00-184-0983S156 INTERCHANGEABLE
Bearing,ball,annular
New Hampshire Ball Bearings Inc Div Hitech Division
5961-00-312-3973 INTERCHANGEABLE
Semiconductor Device,diode
5930-00-463-2143S156 INTERCHANGEABLE
Adapter,switch Actuator
Simmonds Precision Products Inc
3455-00-996-972015445 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5340-01-689-2675S156WCG5 INTERCHANGEABLE
Clamp,loop
Umpco, Inc. Dba Umpco Inc
Cross-Reference Index
Part NumberManufacturer
S1-56 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
S42-10 General Electric Company (USA)
Related Parts
5305-00-017-9841INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3110-00-184-0983INTERCHANGEABLE
BEARING,BALL,ANNULAR
S156
5961-00-312-3973INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5930-00-463-2143INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
S156
3455-00-996-9720INTERCHANGEABLE
CUTTER,MILLING,END
15445
5340-01-689-2675INTERCHANGEABLE
CLAMP,LOOP
S156WCG5

Frequently Asked Questions

What is NSN 3020-00-314-3129?

NSN 3020-00-314-3129 is a Gear,helical, manufactured by General Electric Co Switchgear and Control Division of Apparatus Group, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-314-3129?

NSN 3020-00-314-3129 has 2 cross-referenced part numbers: S1-56 (General Electric Co Switchgear and Control Division of Apparatus Group), S42-10 (General Electric Company).

What NSN replaces 3020-00-314-3129?

There are 6 known substitutes for 3020-00-314-3129: 5305-00-017-9841, 3110-00-184-0983, 5961-00-312-3973 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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