PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB70522Gear,spur

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3020-00-203-1730 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-203-1730 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-203-1730. Primary manufacturer part number: SCB70522.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: MOUNTING HOLE
  • Body Style: PLAIN, SOLID
  • Pressure Angle: 20.0000 DEGREES
  • Pitch Diameter: 1.9380 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY BODY
  • Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy Body construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-203-1730, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-203-1730
Primary Part NumberSCB70522
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Attachment MethodMOUNTING HOLE
Body StylePLAIN, SOLID
Pressure Angle20.0000 DEGREES
Pitch Diameter1.9380 INCHES NOMINAL IN
MaterialALUMINUM ALLOY BODY
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Bore StylePLAIN BOTH ENDS
Face Nominal Width0.250 INCHES IN
Style DesignatorPROTRUDING HUB
Nominal Overall Length0.688 INCHES IN
Nominal Outside Diameter2.062 INCHES IN
Mounting Hole Type and Quantity2 PLAIN TRANSVERSELY THROUGH HUB FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.438 INCHES FIRST END IN
Tooth FormSTANDARD
Teeth Quantity64
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4730-00-011-2304 INTERCHANGEABLE
Plug,pipe
5340-01-314-182650354 INTERCHANGEABLE
Lever,lock-Release
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-373-63540050350415 INTERCHANGEABLE
Bracket,mounting
Newton Instrument Company Dba Newton Instrument Co
1377-01-525-41194840 INTERCHANGEABLE
Cartridge,powder Actuated Tool
Hilti Inc
9905-01-537-652650-354 INTERCHANGEABLE
Plate,instruction
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5330-01-576-9770X1750-BT INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Trim-Lok Inc Dba Trim-Lok Inc
5340-01-699-110750354 INTERCHANGEABLE
Seat,helical Compression Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
50354 Kleinschmidt Inc (USA)
SCB70522 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50354A Kleinschmidt Inc (USA)
SC-C-70522 Polytech Defense Spares Llc (USA)
Related Parts
4730-00-011-2304INTERCHANGEABLE
PLUG,PIPE
5340-01-314-1826INTERCHANGEABLE
LEVER,LOCK-RELEASE
50354
5340-01-373-6354INTERCHANGEABLE
BRACKET,MOUNTING
0050350415
1377-01-525-4119INTERCHANGEABLE
CARTRIDGE,POWDER ACTUATED TOOL
4840
9905-01-537-6526INTERCHANGEABLE
PLATE,INSTRUCTION
50-354
5330-01-576-9770INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
X1750-BT
5340-01-699-1107INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
50354

Frequently Asked Questions

What is NSN 3020-00-203-1730?

NSN 3020-00-203-1730 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 3020-00-203-1730?

NSN 3020-00-203-1730 has 4 cross-referenced part numbers: 50354 (Kleinschmidt Inc), SCB70522 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50354A (Kleinschmidt Inc), SC-C-70522 (Polytech Defense Spares Llc).

What NSN replaces 3020-00-203-1730?

There are 7 known substitutes for 3020-00-203-1730: 4730-00-011-2304, 5340-01-314-1826, 5340-01-373-6354 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB70522?

Key specifications for SCB70522: Attachment Method: MOUNTING HOLE; Body Style: PLAIN, SOLID; Pressure Angle: 20.0000 DEGREES; Pitch Diameter: 1.9380 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-203-1730 still in active supply?

NSN 3020-00-203-1730 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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