PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB98667Gear,spur

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3020-00-520-2275 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-520-2275 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-520-2275. Primary manufacturer part number: SCB98667.
Features
  • Gear,spur — FSC 3020
  • Nominal Overall Length: 0.240 INCHES IN
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Nominal Outside Diameter: 0.542 INCHES IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.157 INCHES FIRST END IN
  • Material Document and Classification: QQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Tooth Form: STANDARD
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-520-2275, 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 Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-520-2275
Primary Part NumberSCB98667
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Nominal Overall Length0.240 INCHES IN
Hub Nominal Diameter0.375 INCHES FIRST END IN
Nominal Outside Diameter0.542 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.157 INCHES FIRST END IN
Material Document and ClassificationQQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Face Nominal Width0.083 INCHES IN
Attachment MethodMOUNTING HOLE
Style DesignatorPROTRUDING HUB
Pitch Diameter0.5000 INCHES NOMINAL IN
Pressure Angle20.0000 DEGREES
MaterialCOPPER ALLOY 360 OVERALL
Mounting Hole Thread Quantity Per Inch40 TRANSVERSELY THROUGH HUB FIRST END
Teeth Quantity24
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5315-00-010-3728 INTERCHANGEABLE
Pin,straight,headless
5920-00-263-0622NON125 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
2915-00-453-1300 INTERCHANGEABLE
Pad Thrust Gear D
5120-01-717-1768 INTERCHANGEABLE
Removal Tool,locking Device
Cross-Reference Index
Part NumberManufacturer
SMB232310 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SCB98667 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
R133 Simplex Time Recorder Llc (USA)
SMB282310 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SMB282310REVB Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
103728 Viking Technologies, Ltd. (USA)
98667 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SCB98667 L3harris Cincinnati Electronics Corporation (USA)
Related Parts
5315-00-010-3728INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5920-00-263-0622INTERCHANGEABLE
FUSE,CARTRIDGE
NON125
2915-00-453-1300INTERCHANGEABLE
PAD THRUST GEAR D
5120-01-717-1768INTERCHANGEABLE
REMOVAL TOOL,LOCKING DEVICE

Frequently Asked Questions

What is NSN 3020-00-520-2275?

NSN 3020-00-520-2275 is a Gear,spur, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-520-2275?

NSN 3020-00-520-2275 has 8 cross-referenced part numbers: SMB232310 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SCB98667 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), R133 (Simplex Time Recorder Llc), SMB282310 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SMB282310REVB (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 3 more.

What NSN replaces 3020-00-520-2275?

There are 4 known substitutes for 3020-00-520-2275: 5315-00-010-3728, 5920-00-263-0622, 2915-00-453-1300 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB98667?

Key specifications for SCB98667: Nominal Overall Length: 0.240 INCHES IN; Hub Nominal Diameter: 0.375 INCHES FIRST END IN; Nominal Outside Diameter: 0.542 INCHES IN; Nominal Distance Between Body Face and Protruding Hub End: 0.157 INCHES FIRST END IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-520-2275 still in active supply?

NSN 3020-00-520-2275 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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