PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39434 PIECE 4Gear,spur

Lake Shore Systems, Inc. · NSN 3020-01-224-6312 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-224-6312 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-224-6312. Primary manufacturer part number: 39434 PIECE 4.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Bore Nominal Diameter: 1.594 INCHES BOTH ENDS IN
  • Material: STEEL COMP 4140 OVERALL
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Style Designator: HUBLESS
  • Material Document and Classification: SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • 3 verified cross-references
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-224-6312, 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 6 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-224-6312
Primary Part Number39434 PIECE 4
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Body StylePLAIN, SOLID
Bore Nominal Diameter1.594 INCHES BOTH ENDS IN
MaterialSTEEL COMP 4140 OVERALL
Bore StyleW/ KEYWAY BOTH ENDS
Style DesignatorHUBLESS
Material Document and ClassificationSAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-500-91931138B INTERCHANGEABLE
Terminal,stud
Goe Engineering Co Inc
5905-00-822-75321820336 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5895-01-131-723611422-2 INTERCHANGEABLE
Arm,collector
Conductix Inc Div Conductix Wampfler
4320-01-135-172265055-2 INTERCHANGEABLE
Pump,hydraulic
Parker Hannifin Corporation Div Hydraulic Systems Division
3020-01-224-6307114242 INTERCHANGEABLE
Gear,helical
Lake Shore Systems, Inc.
3020-01-224-631339434 PIECE 5 INTERCHANGEABLE
Gear,spur
Lake Shore Systems, Inc.
3020-01-224-6314114232 INTERCHANGEABLE
Gear,spur
Lake Shore Systems, Inc.
3020-01-225-6985147152 INTERCHANGEABLE
Gear,helical
Lake Shore Systems, Inc.
5970-01-359-727711422-2 INTERCHANGEABLE
Insulator,disk
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
2920-01-361-8220 INTERCHANGEABLE
Housing,magneto
Cross-Reference Index
Part NumberManufacturer
114222 Lake Shore Systems, Inc. (USA)
39434 PIECE 4 PRIMARY Lake Shore Systems, Inc. (USA)
39434 Lake Shore Systems, Inc. (USA)
Related Parts
5940-00-500-9193INTERCHANGEABLE
TERMINAL,STUD
1138B
5905-00-822-7532INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
1820336
5895-01-131-7236INTERCHANGEABLE
ARM,COLLECTOR
11422-2
4320-01-135-1722INTERCHANGEABLE
PUMP,HYDRAULIC
65055-2
3020-01-224-6307INTERCHANGEABLE
GEAR,HELICAL
114242
3020-01-224-6313INTERCHANGEABLE
GEAR,SPUR
39434 PIECE 5
3020-01-224-6314INTERCHANGEABLE
GEAR,SPUR
114232
3020-01-225-6985INTERCHANGEABLE
GEAR,HELICAL
147152
5970-01-359-7277INTERCHANGEABLE
INSULATOR,DISK
11422-2
2920-01-361-8220INTERCHANGEABLE
HOUSING,MAGNETO
4720-01-373-0105INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
114222

Frequently Asked Questions

What is NSN 3020-01-224-6312?

NSN 3020-01-224-6312 is a Gear,spur, manufactured by Lake Shore Systems, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-224-6312?

NSN 3020-01-224-6312 has 3 cross-referenced part numbers: 114222 (Lake Shore Systems, Inc.), 39434 PIECE 4 (Lake Shore Systems, Inc.), 39434 (Lake Shore Systems, Inc.).

What NSN replaces 3020-01-224-6312?

There are 11 known substitutes for 3020-01-224-6312: 5940-00-500-9193, 5905-00-822-7532, 5895-01-131-7236 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39434 PIECE 4?

Key specifications for 39434 PIECE 4: Body Style: PLAIN, SOLID; Bore Nominal Diameter: 1.594 INCHES BOTH ENDS IN; Material: STEEL COMP 4140 OVERALL; Bore Style: W/ KEYWAY BOTH ENDS. 6 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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