PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G9-30Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-825-4676 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-825-4676 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-825-4676. Primary manufacturer part number: G9-30.
Features
  • Gear,spur — FSC 3020
  • Surface Treatment: PASSIVATE OVERALL
  • Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 0.499 INCHES IN
  • Precision Classification: QUALITY NUMBER 10
  • Hub Nominal Diameter: 0.312 INCHES FIRST END IN
  • Pitch Diameter: 0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-825-4676, 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 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-825-4676
Primary Part NumberG9-30
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Surface TreatmentPASSIVATE OVERALL
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Nominal Outside Diameter0.499 INCHES IN
Precision ClassificationQUALITY NUMBER 10
Hub Nominal Diameter0.312 INCHES FIRST END IN
Pitch Diameter0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN
Hardness Rating75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUB
MaterialSTEEL COMP 302 OVERALL
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPINNED FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.187 INCHES FIRST END IN
Teeth Quantity30
Face Nominal Width0.125 INCHES IN
Material Document and ClassificationMIL-S-7720,COMP 302 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-7720,COMP 303S MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6210-00-176-4954 INTERCHANGEABLE
Lens,light
1560-01-235-52245-95870 INTERCHANGEABLE
Support,structural Component,air
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
DG9T30 Allied Devices Corp Dba Absolute Precision Co (USA)
GP28-30P1 Secs Inc (USA)
G9-30 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
595870-1 PRIMARY Raytheon Company Dba Raytheon (USA)
37011000-030 PRIMARY Raytheon Co (USA)
595870 Raytheon Company Dba Raytheon (USA)
B22-30 Designatronics Incorporated Div Sterling Instruments Div (USA)
P64S10-30 W. M. Berg, Inc. (USA)
Related Parts
6210-00-176-4954INTERCHANGEABLE
LENS,LIGHT
1560-01-235-5224INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
5-95870

Frequently Asked Questions

What is NSN 3020-00-825-4676?

NSN 3020-00-825-4676 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 3020-00-825-4676?

NSN 3020-00-825-4676 has 8 cross-referenced part numbers: DG9T30 (Allied Devices Corp Dba Absolute Precision Co), GP28-30P1 (Secs Inc), G9-30 (Roller Bearing Co of America, Inc Div Pic Design), 595870-1 (Raytheon Company Dba Raytheon), 37011000-030 (Raytheon Co) and 3 more.

What NSN replaces 3020-00-825-4676?

There are 2 known substitutes for 3020-00-825-4676: 6210-00-176-4954, 1560-01-235-5224. Verify interchangeability with system specifications before substitution.

What are the specifications of G9-30?

Key specifications for G9-30: Surface Treatment: PASSIVATE OVERALL; Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Nominal Outside Diameter: 0.499 INCHES IN; Precision Classification: QUALITY NUMBER 10. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-825-4676 still in active supply?

NSN 3020-00-825-4676 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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