PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2303-09-12PC121Gear,spur

Us Army Aviation and Missile Command · NSN 3020-00-536-5672 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-536-5672 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-536-5672. Primary manufacturer part number: 2303-09-12PC121.
Features
  • Gear,spur — FSC 3020
  • Style Designator: HUBLESS
  • Pressure Angle: 20.0000 DEGREES
  • Body Style: PLAIN, SOLID
  • Test Data Document: 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Face Nominal Width: 3.560 INCHES IN
  • Pitch Diameter: 10.0000 INCHES NOMINAL IN
  • Teeth Quantity: 30
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-536-5672, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN3020-00-536-5672
Primary Part Number2303-09-12PC121
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Style DesignatorHUBLESS
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Test Data Document81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Face Nominal Width3.560 INCHES IN
Pitch Diameter10.0000 INCHES NOMINAL IN
Teeth Quantity30
Tooth FormSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1650-00-347-41714547895 INTERCHANGEABLE
Piston,linear Actuating Cylinder
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
C12482 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
C12482 Control Flow, Inc. Dba Control Flow Inc (USA)
MILI6868 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2303-09-12PC121 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
1650-00-347-4171INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
4547895

Frequently Asked Questions

What is NSN 3020-00-536-5672?

NSN 3020-00-536-5672 is a Gear,spur, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-536-5672?

NSN 3020-00-536-5672 has 4 cross-referenced part numbers: C12482 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), C12482 (Control Flow, Inc. Dba Control Flow Inc), MILI6868 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2303-09-12PC121 (Us Army Aviation and Missile Command).

What NSN replaces 3020-00-536-5672?

There is 1 known substitute for 3020-00-536-5672: 1650-00-347-4171. Verify interchangeability with system specifications before substitution.

What are the specifications of 2303-09-12PC121?

Key specifications for 2303-09-12PC121: Style Designator: HUBLESS; Pressure Angle: 20.0000 DEGREES; Body Style: PLAIN, SOLID; Special Features: INTERNAL CIRCUMFERENTIAL GROOVE EQUIDISTANT FROM BOTH ENDS OF BORE0.180 IN. MIN,0.196 IN. MAX W,0.1605 IN. DEEP IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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