PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3280Gear,spur

Perfection Clutch · NSN 3020-00-288-3224 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-288-3224 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-288-3224. Primary manufacturer part number: S3280.
Features
  • Gear,spur — FSC 3020
  • Hub Nominal Diameter: 1.125 INCHES FIRST END IN
  • Body Style: PLAIN, SOLID
  • Mounting Hole Type and Quantity: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END
  • Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.187 INCHES IN
  • Hub Style Designator: PINNED FIRST END
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-288-3224, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Perfection Clutch. Government technical data includes 20 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-288-3224
Primary Part NumberS3280
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerPerfection Clutch
StatusCANCELLED
Hub Nominal Diameter1.125 INCHES FIRST END IN
Body StylePLAIN, SOLID
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Face Nominal Width0.187 INCHES IN
Hub Style DesignatorPINNED FIRST END
Tooth FormSTANDARD
MaterialSTEEL OVERALL
Pressure Angle14.5000 DEGREES
Style DesignatorPROTRUDING HUB
Pitch Diameter2.5000 INCHES NOMINAL IN
Teeth Quantity80
Nominal Overall Length0.562 INCHES IN
Mounting Hole Nominal Thread Size0.190 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.375 INCHES FIRST END IN
Nominal Outside Diameter2.563 INCHES IN
Mounting Hole Thread Series DesignatorUNF TRANSVERSELY THROUGH HUB FIRST END
Attachment MethodMOUNTING HOLE
Mounting Hole Thread Quantity Per Inch32 TRANSVERSELY THROUGH HUB FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5360-00-286-178410-03280 INTERCHANGEABLE
Spring,helical,compression
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
S3280 PRIMARY Perfection Clutch (USA)
H3280 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
5360-00-286-1784INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10-03280

Frequently Asked Questions

What is NSN 3020-00-288-3224?

NSN 3020-00-288-3224 is a Gear,spur, manufactured by Perfection Clutch, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-288-3224?

NSN 3020-00-288-3224 has 2 cross-referenced part numbers: S3280 (Perfection Clutch), H3280 (Altra Industrial Motion Corp.).

What NSN replaces 3020-00-288-3224?

There is 1 known substitute for 3020-00-288-3224: 5360-00-286-1784. Verify interchangeability with system specifications before substitution.

What are the specifications of S3280?

Key specifications for S3280: Hub Nominal Diameter: 1.125 INCHES FIRST END IN; Body Style: PLAIN, SOLID; Mounting Hole Type and Quantity: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END; Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-288-3224 still in active supply?

NSN 3020-00-288-3224 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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