PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GP30-30P1Gear,spur

Secs Inc · NSN 3020-00-836-0640 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-836-0640 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-836-0640. Primary manufacturer part number: GP30-30P1.
Features
  • Gear,spur — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.218 INCHES FIRST END IN
  • Pitch Diameter: 0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN
  • Furnished Items and Quantity: 1 SETSCREW
  • Nominal Outside Diameter: 0.500 INCHES IN
  • Face Nominal Width: 0.125 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303SE Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-836-0640, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Secs Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-836-0640
Primary Part NumberGP30-30P1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSecs Inc
StatusCANCELLED
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.375 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Pitch Diameter0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN
Furnished Items and Quantity1 SETSCREW
Nominal Outside Diameter0.500 INCHES IN
Face Nominal Width0.125 INCHES IN
Hardness Rating75.0 ROCKWELL C MINIMUM AND 83.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 303SE OVERALL
Teeth Quantity30
Body StylePLAIN, SOLID
Hub Style DesignatorPINNED FIRST END
Surface TreatmentPASSIVATE OVERALL
Pressure Angle2.0000 DEGREES
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Material Document and ClassificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5996-00-165-3051HP4028-100 INTERCHANGEABLE
Amplifier,radio Frequency
Henry Products Div Cardwell Condenser Corp
5962-00-503-9077737728-4 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon Co
4240-01-485-9536G-1130 INTERCHANGEABLE
Headband,goggles
Para-Gear Equipment Co
Cross-Reference Index
Part NumberManufacturer
E22-30R Designatronics Incorporated Div Sterling Instruments Div (USA)
E22-30P1 Designatronics Incorporated Div Sterling Instruments Div (USA)
G11-30Q10 Roller Bearing Co of America, Inc Div Pic Design (USA)
GP30-30P1 PRIMARY Secs Inc (USA)
PG6746-30 Atlas Chain Co
632324-7 Linotype Co Div of Allied Corp (USA)
G11-30 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
E22-30 Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
5996-00-165-3051INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
HP4028-100
5962-00-503-9077INTERCHANGEABLE
MICROCIRCUIT,MEMORY
737728-4
4240-01-485-9536INTERCHANGEABLE
HEADBAND,GOGGLES
G-1130

Frequently Asked Questions

What is NSN 3020-00-836-0640?

NSN 3020-00-836-0640 is a Gear,spur, manufactured by Secs Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-836-0640?

NSN 3020-00-836-0640 has 8 cross-referenced part numbers: E22-30R (Designatronics Incorporated Div Sterling Instruments Div), E22-30P1 (Designatronics Incorporated Div Sterling Instruments Div), G11-30Q10 (Roller Bearing Co of America, Inc Div Pic Design), GP30-30P1 (Secs Inc), PG6746-30 (Atlas Chain Co) and 3 more.

What NSN replaces 3020-00-836-0640?

There are 3 known substitutes for 3020-00-836-0640: 5996-00-165-3051, 5962-00-503-9077, 4240-01-485-9536. Verify interchangeability with system specifications before substitution.

What are the specifications of GP30-30P1?

Key specifications for GP30-30P1: Bore Style: PLAIN BOTH ENDS; Hub Nominal Diameter: 0.375 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.218 INCHES FIRST END IN; Pitch Diameter: 0.4677 INCHES MINIMUM AND 0.4687 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-836-0640 still in active supply?

NSN 3020-00-836-0640 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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