PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52266Gear,spur

Aerocontrolex Group, Inc. · NSN 3020-00-815-6559 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-815-6559 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-815-6559. Primary manufacturer part number: 52266.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.0000 INCHES NOMINAL IN
  • Precision Classification: QUALITY NUMBER 8
  • Hardness Rating: 48.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 54.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL
  • Material: STEEL COMP E4340 OVERALL
  • Tooth Form: STANDARD
  • Criticality Code Justification: FEAT
  • Nominal Distance From Bore Center to Keyway Bottom: 0.295 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E4340 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-815-6559, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aerocontrolex Group, Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-815-6559
Primary Part Number52266
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAerocontrolex Group, Inc.
StatusACTIVE
Pitch Diameter1.0000 INCHES NOMINAL IN
Precision ClassificationQUALITY NUMBER 8
Hardness Rating48.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 54.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL
MaterialSTEEL COMP E4340 OVERALL
Tooth FormSTANDARD
Criticality Code JustificationFEAT
Nominal Distance From Bore Center to Keyway Bottom0.295 INCHES BOTH ENDS IN
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Nominal Outside Diameter1.197 INCHES IN
Pressure Angle20.0000 DEGREES
Keyway Nominal Width0.094 INCHES BOTH ENDS IN
Face Nominal Width0.5870 INCHES IN
Bore Nominal Diameter0.499 INCHES BOTH ENDS IN
Bore StyleW/ KEYWAY BOTH ENDS
Style DesignatorHUBLESS
Teeth Quantity9
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-201-369452266 INTERCHANGEABLE
Contact,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-285-6378 INTERCHANGEABLE
Seal,plain Encased
5360-00-597-9495SMB157011-7 INTERCHANGEABLE
Spring,helical,extension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-692-329952266 INTERCHANGEABLE
Gear,spur
Honeywell International Inc. Div Aerospace - Torrance
Cross-Reference Index
Part NumberManufacturer
52266 PRIMARY Aerocontrolex Group, Inc. (USA)
10012991 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
52266 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
10012991 CAGE 00000
10012991 L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA)
Related Parts
5999-00-201-3694INTERCHANGEABLE
CONTACT,ELECTRICAL
52266
5330-00-285-6378INTERCHANGEABLE
SEAL,PLAIN ENCASED
5360-00-597-9495INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
SMB157011-7
3020-00-692-3299INTERCHANGEABLE
GEAR,SPUR
52266

Frequently Asked Questions

What is NSN 3020-00-815-6559?

NSN 3020-00-815-6559 is a Gear,spur, manufactured by Aerocontrolex Group, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-815-6559?

NSN 3020-00-815-6559 has 5 cross-referenced part numbers: 52266 (Aerocontrolex Group, Inc.), 10012991 (Lockheed Martin Corporation Div Rms - Mitchel Field), 52266 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 10012991, 10012991 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).

What NSN replaces 3020-00-815-6559?

There are 4 known substitutes for 3020-00-815-6559: 5999-00-201-3694, 5330-00-285-6378, 5360-00-597-9495 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52266?

Key specifications for 52266: Pitch Diameter: 1.0000 INCHES NOMINAL IN; Precision Classification: QUALITY NUMBER 8; Hardness Rating: 48.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 54.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL; Material: STEEL COMP E4340 OVERALL. 19 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