PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

421023-1Gear,spur

Teledyne Camera Systems Teledyne Inc Company · NSN 3020-00-127-9579 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-127-9579 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-127-9579. Primary manufacturer part number: 421023-1.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: MOUNTING HOLE
  • Surface Treatment: ANODIZE OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nominal Outside Diameter: 0.603 INCHES IN
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
  • Teeth Quantity: 27
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-127-9579, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Teledyne Camera Systems Teledyne Inc Company. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-127-9579
Primary Part Number421023-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTeledyne Camera Systems Teledyne Inc Company
StatusACTIVE
Attachment MethodMOUNTING HOLE
Surface TreatmentANODIZE OVERALL
Bore StylePLAIN BOTH ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Outside Diameter0.603 INCHES IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Teeth Quantity27
Material Document and ClassificationQQ-A-250/11,ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Mounting Hole Nominal Thread Size0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Hub Nominal Diameter0.450 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.225 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
Style DesignatorPROTRUDING HUB
Precision ClassificationQUALITY NUMBER 10
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
MaterialALUMINUM ALLOY 6061 OVERALL
Body StylePLAIN, SOLID
Pitch Diameter0.5615 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Tooth FormSTANDARD
Face Nominal Width0.125 INCHES IN
Pressure Angle30.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5133-00-228-1381 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
421023-1 Teledyne Camera Systems Teledyne Inc Company (USA)
421023-2 Teledyne Camera Systems Teledyne Inc Company (USA)
Related Parts
5133-00-228-1381INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 3020-00-127-9579?

NSN 3020-00-127-9579 is a Gear,spur, manufactured by Teledyne Camera Systems Teledyne Inc Company, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-127-9579?

NSN 3020-00-127-9579 has 2 cross-referenced part numbers: 421023-1 (Teledyne Camera Systems Teledyne Inc Company), 421023-2 (Teledyne Camera Systems Teledyne Inc Company).

What NSN replaces 3020-00-127-9579?

There is 1 known substitute for 3020-00-127-9579: 5133-00-228-1381. Verify interchangeability with system specifications before substitution.

What are the specifications of 421023-1?

Key specifications for 421023-1: Attachment Method: MOUNTING HOLE; Surface Treatment: ANODIZE OVERALL; Bore Style: PLAIN BOTH ENDS; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com