PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21664Gear,spur

Cae Usa Inc. · NSN 3020-00-220-9565 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-220-9565 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-220-9565. Primary manufacturer part number: 21664.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 60
  • Body Style: PLAIN, SOLID
  • Face Nominal Width: 0.125 INCHES IN
  • Mounting Hole Type and Quantity: 1 PLAIN AXIALLY THROUGH BODY FIRST END
  • Style Designator: PROTRUDING HUB
  • Nominal Outside Diameter: 1.299 INCHES IN
  • Pressure Angle: 14.5000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-220-9565, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cae Usa Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-220-9565
Primary Part Number21664
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Teeth Quantity60
Body StylePLAIN, SOLID
Face Nominal Width0.125 INCHES IN
Mounting Hole Type and Quantity1 PLAIN AXIALLY THROUGH BODY FIRST END
Style DesignatorPROTRUDING HUB
Nominal Outside Diameter1.299 INCHES IN
Pressure Angle14.5000 DEGREES
MaterialCOPPER ALLOY OVERALL
Attachment MethodMOUNTING HOLE
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Mounting Hole Nominal Thread Size0.125 INCHES AXIALLY THROUGH BODY FIRST END IN
Mounting Hole Thread Quantity Per Inch40 AXIALLY THROUGH BODY FIRST END
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END
Bore Nominal Diameter0.251 INCHES BOTH ENDS IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPLAIN FIRST END
Nominal Overall Length0.376 INCHES IN
Mounting Hole Nominal Diameter0.125 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Pitch Diameter1.2600 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-163-107499121664 INTERCHANGEABLE
Pump,rotary
Alfa Laval Inc
2530-00-463-44160221026 INTERCHANGEABLE
Hub and Cup Assy,br
U S Army Tank Automotive Command Amsta-Im-Mm
1680-00-696-67092166-4 INTERCHANGEABLE
Foot,swivel Lock
B/e Aerospace Inc Dba Interturbine
7510-01-060-5893 INTERCHANGEABLE
Pencil Assortment,colored
5305-01-188-049321664 INTERCHANGEABLE
Screw Assy. Vent
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4910-01-210-1318J21664 INTERCHANGEABLE
Adapter,compressor
Bosch Automotive Service Solutions Inc.
3120-01-259-6226917100 INTERCHANGEABLE
Bearing,sleeve
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5315-01-320-536521664 INTERCHANGEABLE
Pin,straight,headless
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21664 Raytheon Technical Services Company (USA)
21664 PRIMARY Cae Usa Inc. (USA)
Related Parts
4320-00-163-1074INTERCHANGEABLE
PUMP,ROTARY
99121664
2530-00-463-4416INTERCHANGEABLE
HUB AND CUP ASSY,BR
0221026
1680-00-696-6709INTERCHANGEABLE
FOOT,SWIVEL LOCK
2166-4
7510-01-060-5893INTERCHANGEABLE
PENCIL ASSORTMENT,COLORED
5305-01-188-0493INTERCHANGEABLE
SCREW ASSY. VENT
21664
4910-01-210-1318INTERCHANGEABLE
ADAPTER,COMPRESSOR
J21664
3120-01-259-6226INTERCHANGEABLE
BEARING,SLEEVE
917100
5315-01-320-5365INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
21664

Frequently Asked Questions

What is NSN 3020-00-220-9565?

NSN 3020-00-220-9565 is a Gear,spur, manufactured by Cae Usa Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-220-9565?

NSN 3020-00-220-9565 has 2 cross-referenced part numbers: 21664 (Raytheon Technical Services Company), 21664 (Cae Usa Inc.).

What NSN replaces 3020-00-220-9565?

There are 8 known substitutes for 3020-00-220-9565: 4320-00-163-1074, 2530-00-463-4416, 1680-00-696-6709 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21664?

Key specifications for 21664: Teeth Quantity: 60; Body Style: PLAIN, SOLID; Face Nominal Width: 0.125 INCHES IN; Mounting Hole Type and Quantity: 1 PLAIN AXIALLY THROUGH BODY FIRST END. 21 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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