PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GP31-90P1Gear,spur

Secs Inc · NSN 3020-01-024-8212 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-024-8212 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-024-8212. Primary manufacturer part number: GP31-90P1.
Features
  • Gear,spur — FSC 3020
  • Face Nominal Width: 0.125 INCHES IN
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Precision Classification: QUALITY NUMBER 10
  • Material Document and Classification: QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-024-8212, 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 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-01-024-8212
Primary Part NumberGP31-90P1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSecs Inc
StatusCANCELLED
Face Nominal Width0.125 INCHES IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 10
Material Document and ClassificationQQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Backlash DesignationGRADE C
Tooth FormSTANDARD
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
Nominal Outside Diameter1.437 INCHES IN
MaterialALUMINUM ALLOY 2024 OVERALL
Teeth Quantity90
Body StylePLAIN, SOLID
Pitch Diameter1.4052 INCHES MINIMUM AND 1.4062 INCHES MAXIMUM IN
Hub Nominal Diameter0.375 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3020-00-055-2076301-07011P004 INTERCHANGEABLE
Gear,spur
Raytheon Company Dba Raytheon Co
3020-00-618-012464H10C100A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-925-4412G12-54 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-00-973-611464A11-75A64 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-01-008-3052G15-27 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-01-019-8674 INTERCHANGEABLE
Gear,spur
3020-01-021-6434G12-46 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-01-026-8218 INTERCHANGEABLE
Gear,spur
5330-01-066-2614 INTERCHANGEABLE
Packing,special
5330-01-250-527345-0615 INTERCHANGEABLE
Gasket
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
Cross-Reference Index
Part NumberManufacturer
450518-15REVH Bae Systems Information and Electronic Systems Integration Inc. (USA)
GP31-90P1 PRIMARY Secs Inc (USA)
450518 Bae Systems Information and Electronic Systems Integration Inc. (USA)
PG6742-90 Atlas Chain Co
E22A90 Designatronics Incorporated Div Sterling Instruments Div (USA)
G12-90 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
450518-15 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
3020-00-055-2076INTERCHANGEABLE
GEAR,SPUR
301-07011P004
3020-00-618-0124INTERCHANGEABLE
GEAR,SPUR
64H10C100A6-4
3020-00-925-4412INTERCHANGEABLE
GEAR,SPUR
G12-54
3020-00-973-6114INTERCHANGEABLE
GEAR,SPUR
64A11-75A64
3020-01-008-3052INTERCHANGEABLE
GEAR,SPUR
G15-27
3020-01-019-8674INTERCHANGEABLE
GEAR,SPUR
3020-01-021-6434INTERCHANGEABLE
GEAR,SPUR
G12-46
3020-01-026-8218INTERCHANGEABLE
GEAR,SPUR
5330-01-066-2614INTERCHANGEABLE
PACKING,SPECIAL
5330-01-250-5273INTERCHANGEABLE
GASKET
45-0615
5360-01-330-2611INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 3020-01-024-8212?

NSN 3020-01-024-8212 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 3020-01-024-8212?

NSN 3020-01-024-8212 has 7 cross-referenced part numbers: 450518-15REVH (Bae Systems Information and Electronic Systems Integration Inc.), GP31-90P1 (Secs Inc), 450518 (Bae Systems Information and Electronic Systems Integration Inc.), PG6742-90 (Atlas Chain Co), E22A90 (Designatronics Incorporated Div Sterling Instruments Div) and 2 more.

What NSN replaces 3020-01-024-8212?

There are 11 known substitutes for 3020-01-024-8212: 3020-00-055-2076, 3020-00-618-0124, 3020-00-925-4412 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GP31-90P1?

Key specifications for GP31-90P1: Face Nominal Width: 0.125 INCHES IN; Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN; Precision Classification: QUALITY NUMBER 10; Material Document and Classification: QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-01-024-8212 still in active supply?

NSN 3020-01-024-8212 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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