PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139125Gear,bevel

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 3020-00-048-8802 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-048-8802 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-048-8802. Primary manufacturer part number: 139125.
Features
  • Gear,bevel — FSC 3020
  • Face Nominal Width: 0.438 INCHES IN
  • Material: STEEL COMP 9315 OVERALL
  • Hardness Rating: 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
  • Pressure Angle: 20.0000 DEGREES
  • Hub Nominal Diameter: 1.540 INCHES SECOND END IN
  • Pitch Diameter: 2.2000 INCHES NOMINAL IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.460 INCHES SECOND END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 9315 Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-048-8802, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 20 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
NSN3020-00-048-8802
Primary Part Number139125
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusACTIVE
Face Nominal Width0.438 INCHES IN
MaterialSTEEL COMP 9315 OVERALL
Hardness Rating60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter1.540 INCHES SECOND END IN
Pitch Diameter2.2000 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End0.460 INCHES SECOND END IN
Hub Style DesignatorPLAIN SECOND END
Teeth TypeSTRAIGHT
Spline Quantity28 BOTH ENDS
Material Document and ClassificationAMS 6263 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Hardness Rating36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM HUB
Pitch Angle40.0833 DEGREES
Nominal Outside Diameter2.294 INCHES IN
Bore Nominal Diameter1.2082 INCHES BOTH ENDS IN
Nominal Overall Length0.964 INCHES IN
Teeth Quantity33
Body StylePLAIN, SOLID
Bore StyleINVOLUTE SPLINE BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5996-00-400-3342139-125 INTERCHANGEABLE
Amplifier Operation
L-3 Communications Corporation Dba Global Network Solutions Div Aydin Communications Division
5360-00-526-32081115965 INTERCHANGEABLE
Spring,helical,compression
The Boeing Company
6680-01-503-6568139-126 INTERCHANGEABLE
Gage,liquid Quantity,float Type
Crane Carrier Company, Llc
6620-01-503-6576139-128 INTERCHANGEABLE
Gage,pressure,dial Indicating
Crane Carrier Company, Llc
Cross-Reference Index
Part NumberManufacturer
139125 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
5996-00-400-3342INTERCHANGEABLE
AMPLIFIER OPERATION
139-125
5360-00-526-3208INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1115965
6680-01-503-6568INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
139-126
6620-01-503-6576INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
139-128

Frequently Asked Questions

What is NSN 3020-00-048-8802?

NSN 3020-00-048-8802 is a Gear,bevel, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-048-8802?

NSN 3020-00-048-8802 has 1 cross-referenced part number: 139125 (Curtiss-Wright Controls, Inc. Div Actuation Division).

What NSN replaces 3020-00-048-8802?

There are 4 known substitutes for 3020-00-048-8802: 5996-00-400-3342, 5360-00-526-3208, 6680-01-503-6568 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 139125?

Key specifications for 139125: Face Nominal Width: 0.438 INCHES IN; Material: STEEL COMP 9315 OVERALL; Hardness Rating: 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH; Pressure Angle: 20.0000 DEGREES. 20 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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