PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20135Gear,spur

Lauson Division of Tecumseh Products Co · NSN 3020-00-272-3243 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-272-3243 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-272-3243. Primary manufacturer part number: 20135.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 20
  • Material: STEEL COMP 1020 OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 0.0627 INCHES FIRST END IN
  • Nominal Outside Diameter: 1.375 INCHES IN
  • Tooth Form: STANDARD
  • Hub Style Designator: PLAIN FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-272-3243, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lauson Division of Tecumseh Products Co. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-272-3243
Primary Part Number20135
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLauson Division of Tecumseh Products Co
StatusCANCELLED
Body StylePLAIN, SOLID
Teeth Quantity20
MaterialSTEEL COMP 1020 OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.0627 INCHES FIRST END IN
Nominal Outside Diameter1.375 INCHES IN
Tooth FormSTANDARD
Hub Style DesignatorPLAIN FIRST END
Bore Nominal Diameter0.6700 INCHES BOTH ENDS IN
Hub Nominal Diameter0.875 INCHES FIRST END IN
Keyway Nominal Width0.125 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUB
Pitch Diameter1.2500 INCHES NOMINAL IN
Pressure Angle14.5000 DEGREES
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Distance From Bore Center to Keyway Bottom0.3975 INCHES BOTH ENDS IN
Face Nominal Width0.359 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-165-840420-13-5 INTERCHANGEABLE
Washer,lock
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5306-00-168-638520-135 INTERCHANGEABLE
Bolt,carriage
General Dynamics Mission Systems, Inc. Dba Gdms
5940-00-267-694932054-0171 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
5120-00-337-0933 INTERCHANGEABLE
Drive,worm Gear,boiler Tube
5330-00-375-4861 INTERCHANGEABLE
Gasket
5330-00-411-028420135 INTERCHANGEABLE
Seal,plain
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5940-00-579-2079571-257 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5930-00-600-3076 INTERCHANGEABLE
Switch,gang
5330-00-758-069520125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5998-01-034-408320135 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Cross-Reference Index
Part NumberManufacturer
20135 Lauson Division of Tecumseh Products Co (USA)
Related Parts
5310-00-165-8404INTERCHANGEABLE
WASHER,LOCK
20-13-5
5306-00-168-6385INTERCHANGEABLE
BOLT,CARRIAGE
20-135
5940-00-267-6949INTERCHANGEABLE
TERMINAL,LUG
32054-0171
5120-00-337-0933INTERCHANGEABLE
DRIVE,WORM GEAR,BOILER TUBE
5330-00-375-4861INTERCHANGEABLE
GASKET
5330-00-411-0284INTERCHANGEABLE
SEAL,PLAIN
20135
5940-00-579-2079INTERCHANGEABLE
TERMINAL,LUG
571-257
5930-00-600-3076INTERCHANGEABLE
SWITCH,GANG
5330-00-758-0695INTERCHANGEABLE
SEAL,PLAIN ENCASED
20125
5998-01-034-4083INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20135
5315-01-058-0918INTERCHANGEABLE
PIN,STRAIGHT,HEADED
2520-01-116-3412INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR

Frequently Asked Questions

What is NSN 3020-00-272-3243?

NSN 3020-00-272-3243 is a Gear,spur, manufactured by Lauson Division of Tecumseh Products Co, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-272-3243?

NSN 3020-00-272-3243 has 1 cross-referenced part number: 20135 (Lauson Division of Tecumseh Products Co).

What NSN replaces 3020-00-272-3243?

There are 12 known substitutes for 3020-00-272-3243: 5310-00-165-8404, 5306-00-168-6385, 5940-00-267-6949 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20135?

Key specifications for 20135: Body Style: PLAIN, SOLID; Teeth Quantity: 20; Material: STEEL COMP 1020 OVERALL; Nominal Distance Between Body Face and Protruding Hub End: 0.0627 INCHES FIRST END IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-272-3243 still in active supply?

NSN 3020-00-272-3243 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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