PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H49-30Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-902-8624 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-902-8624 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-902-8624. Primary manufacturer part number: H49-30.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 30
  • Body Style: PLAIN, SOLID
  • Tooth Form: STANDARD
  • Pitch Diameter: 0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN
  • Nominal Outside Diameter: 0.500 INCHES IN
  • Surface Treatment: PASSIVATE OVERALL
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS 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 3020-00-902-8624, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN3020-00-902-8624
Primary Part NumberH49-30
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Teeth Quantity30
Body StylePLAIN, SOLID
Tooth FormSTANDARD
Pitch Diameter0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN
Nominal Outside Diameter0.500 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 10
Surface Treatment Document and ClassificationMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorPROTRUDING HUB
Hub Nominal Diameter0.312 INCHES FIRST END IN
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
Nominal Overall Length0.406 INCHES IN
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.281 INCHES FIRST END IN
MaterialSTEEL COMP 303 OVERALL
Material Document and ClassificationMIL-S-7720,COMP 303S COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.125 INCHES IN
Hub Style DesignatorSPLIT FIRST END
Bore StylePLAIN BOTH ENDS
Attachment MethodCLAMP
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
3020-00-902-7257D48S40 INTERCHANGEABLE
Gear,spur
Designatronics Inc Perfect Gear and Instrument Div
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
H49-30 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
N48S30 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
GC18-30P1 PRIMARY Secs Inc (USA)
64S11-30C8-4 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
E618190 Raytheon Co (USA)
64S11-30C8-4 PRIMARY Raytheon Co (USA)
STDCM14126 Scientific Atlanta Inc (USA)
C64S18-30 W. M. Berg, Inc. (USA)
R22-30 Designatronics Incorporated Div Sterling Instruments Div (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
3020-00-902-7257INTERCHANGEABLE
GEAR,SPUR
D48S40
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 3020-00-902-8624?

NSN 3020-00-902-8624 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 3020-00-902-8624?

NSN 3020-00-902-8624 has 9 cross-referenced part numbers: H49-30 (Roller Bearing Co of America, Inc Div Pic Design), N48S30 (Designatronics Inc Perfect Gear and Instrument Div), GC18-30P1 (Secs Inc), 64S11-30C8-4 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis), E618190 (Raytheon Co) and 4 more.

What NSN replaces 3020-00-902-8624?

There are 12 known substitutes for 3020-00-902-8624: 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 H49-30?

Key specifications for H49-30: Teeth Quantity: 30; Body Style: PLAIN, SOLID; Tooth Form: STANDARD; Pitch Diameter: 0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-902-8624 still in active supply?

NSN 3020-00-902-8624 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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