PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39157Gear,spur

Elbitamerica, Inc. · NSN 3020-01-419-3634 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-419-3634 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-419-3634. Primary manufacturer part number: 39157.
Features
  • Gear,spur — FSC 3020
  • End Nominal Length: 0.065 INCHES SECOND END IN
  • Face Nominal Width: 0.1000 INCHES IN
  • First Step Nominal Length: 0.077 INCHES FIRST END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.0750 INCHES FIRST END IN
  • Pressure Angle: 20.0000 DEGREES
  • Pitch Diameter: 0.2000 INCHES NOMINAL IN
  • End Nominal Diameter: 0.0934 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-419-3634, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 23 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-419-3634
Primary Part Number39157
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
End Nominal Length0.065 INCHES SECOND END IN
Face Nominal Width0.1000 INCHES IN
First Step Nominal Length0.077 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.0750 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Pitch Diameter0.2000 INCHES NOMINAL IN
End Nominal Diameter0.0934 INCHES FIRST END IN
First Step Nominal Length0.010 INCHES SECOND END IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hub Style Designator1 STEP BOTH ENDS
MaterialSTEEL COMP 303 OVERALL
Body StylePLAIN, SOLID
First Step Nominal Diameter0.1261 INCHES FIRST END IN
Teeth Quantity24
Style DesignatorPROTRUDING HUBS
Nominal Outside Diameter0.2167 INCHES IN
Surface TreatmentPASSIVATE OVERALL
First Step Nominal Diameter0.125 INCHES SECOND END IN
Tooth FormSTANDARD
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
End Nominal Length0.065 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.1420 INCHES SECOND END IN
End Nominal Diameter0.0934 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-954-6675A1033549 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc.
3110-01-123-715619301 INTERCHANGEABLE
Bearing,roller,cylindrical
Williams International Co., L.l.c.
4520-01-257-148739157 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
5331-01-372-467539157 INTERCHANGEABLE
O-Ring
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
39157 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5950-00-954-6675INTERCHANGEABLE
TRANSFORMER,POWER
A1033549
3110-01-123-7156INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
19301
4520-01-257-1487INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
39157
5331-01-372-4675INTERCHANGEABLE
O-RING
39157

Frequently Asked Questions

What is NSN 3020-01-419-3634?

NSN 3020-01-419-3634 is a Gear,spur, manufactured by Elbitamerica, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-419-3634?

NSN 3020-01-419-3634 has 1 cross-referenced part number: 39157 (Elbitamerica, Inc.).

What NSN replaces 3020-01-419-3634?

There are 4 known substitutes for 3020-01-419-3634: 5950-00-954-6675, 3110-01-123-7156, 4520-01-257-1487 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39157?

Key specifications for 39157: End Nominal Length: 0.065 INCHES SECOND END IN; Face Nominal Width: 0.1000 INCHES IN; First Step Nominal Length: 0.077 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.0750 INCHES FIRST END IN. 24 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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