PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G13-40Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-902-7257 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-902-7257 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-902-7257. Primary manufacturer part number: G13-40.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
  • Style Designator: PROTRUDING HUB
  • Bore Style: PLAIN BOTH ENDS
  • Material Document and Classification: MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Face Nominal Width: 0.125 INCHES IN
  • Teeth Quantity: 40
  • Material: STEEL COMP 303 OVERALL
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 3020-00-902-7257, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, 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
NSN3020-00-902-7257
Primary Part NumberG13-40
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Pitch Diameter0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Style DesignatorPROTRUDING HUB
Bore StylePLAIN BOTH ENDS
Material Document and ClassificationMIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.125 INCHES IN
Teeth Quantity40
MaterialSTEEL COMP 303 OVERALL
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10
Tooth FormSTANDARD
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Outside Diameter0.655 INCHES IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
Surface Treatment Document and ClassificationMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3020-00-236-646864S11-56A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-540-773164S11-120A8-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-580-796564A11-120A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-618-012464H10C100A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-894-2389E22-48 INTERCHANGEABLE
Gear,spur
Designatronics Incorporated Div Sterling Instruments Div
3020-00-901-870064D11-22C13-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-901-9211D46S39 INTERCHANGEABLE
Gear,spur
Designatronics Inc Perfect Gear and Instrument Div
3020-00-902-862464S11-30C8-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-904-5161E618190 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-925-443164A11-85A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
Cross-Reference Index
Part NumberManufacturer
GP34-40 Secs Inc (USA)
342C103H22 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
H22-40 Designatronics Incorporated Div Sterling Instruments Div (USA)
E618190 Raytheon Co (USA)
G13-40 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
64S11-40A8-4 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
D48S40 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
64S11-40A8-4 Raytheon Co (USA)
WH8319-22 Zagora Gear Products Inc (USA)
P64S26-40 W. M. Berg, Inc. (USA)
Related Parts
3020-00-236-6468INTERCHANGEABLE
GEAR,SPUR
64S11-56A6-4
3020-00-540-7731INTERCHANGEABLE
GEAR,SPUR
64S11-120A8-4
3020-00-580-7965INTERCHANGEABLE
GEAR,SPUR
64A11-120A6-4
3020-00-618-0124INTERCHANGEABLE
GEAR,SPUR
64H10C100A6-4
3020-00-894-2389INTERCHANGEABLE
GEAR,SPUR
E22-48
3020-00-901-8700INTERCHANGEABLE
GEAR,SPUR
64D11-22C13-4
3020-00-901-9211INTERCHANGEABLE
GEAR,SPUR
D46S39
3020-00-902-8624INTERCHANGEABLE
GEAR,SPUR
64S11-30C8-4
3020-00-904-5161INTERCHANGEABLE
GEAR,SPUR
E618190
3020-00-925-4431INTERCHANGEABLE
GEAR,SPUR
64A11-85A6-4
3020-00-925-4440INTERCHANGEABLE
GEAR,SPUR
72S11-25A4-4
3020-00-944-5145INTERCHANGEABLE
GEAR,SPUR
60334-1

Frequently Asked Questions

What is NSN 3020-00-902-7257?

NSN 3020-00-902-7257 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-902-7257?

NSN 3020-00-902-7257 has 10 cross-referenced part numbers: GP34-40 (Secs Inc), 342C103H22 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), H22-40 (Designatronics Incorporated Div Sterling Instruments Div), E618190 (Raytheon Co), G13-40 (Roller Bearing Co of America, Inc Div Pic Design) and 5 more.

What NSN replaces 3020-00-902-7257?

There are 12 known substitutes for 3020-00-902-7257: 3020-00-236-6468, 3020-00-540-7731, 3020-00-580-7965 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G13-40?

Key specifications for G13-40: Pitch Diameter: 0.6240 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Style Designator: PROTRUDING HUB; Bore Style: PLAIN BOTH ENDS; Material Document and Classification: MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-902-7257 still in active supply?

NSN 3020-00-902-7257 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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