PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB69329Gear,spur

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3020-00-203-1450 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-203-1450 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-203-1450. Primary manufacturer part number: SCB69329.
Features
  • Gear,spur — FSC 3020
  • Bolt Hole Circle Nominal Diameter: 1.750 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END
  • Surface Treatment: PHOSPHATE OVERALL
  • Pressure Angle: 14.5000 DEGREES
  • Mounting Hole Nominal Diameter: 0.125 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Mounting Hole Type and Quantity: 2 PLAIN AND 2 THREADED AXIALLY THROUGH BODY FIRST END
  • Style Designator: HUBLESS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-203-1450, 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 22 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-203-1450
Primary Part NumberSCB69329
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Bolt Hole Circle Nominal Diameter1.750 INCHES AXIALLY THROUGH BODY FIRST END IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END
Surface TreatmentPHOSPHATE OVERALL
Pressure Angle14.5000 DEGREES
Mounting Hole Nominal Diameter0.125 INCHES AXIALLY THROUGH BODY FIRST END IN
Mounting Hole Type and Quantity2 PLAIN AND 2 THREADED AXIALLY THROUGH BODY FIRST END
Style DesignatorHUBLESS
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter2.069 INCHES IN
Face Nominal Width0.187 INCHES IN
Bore Nominal Diameter0.688 INCHES COUNTERBORE FIRST END IN
Hardness Rating80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 90.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
Counterbore Nominal Depth0.094 INCHES COUNTERBORE FIRST END IN
Tooth FormSTANDARD
Bore StyleW/COUNTERBORE COUNTERBORE FIRST END
MaterialSTEEL COMP 1010 OVERALL
Counterbore Nominal Diameter1.531 INCHES COUNTERBORE FIRST END IN
Teeth Quantity64
Mounting Hole Nominal Thread Size0.138 INCHES AXIALLY THROUGH BODY FIRST END IN
Body StylePLAIN, SOLID
Pitch Diameter1.1980 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-146-4823 INTERCHANGEABLE
Transformer,power
5930-00-236-771450257 INTERCHANGEABLE
Switch,thermostatic
Wells Mfg Co
4730-00-595-025111711 INTERCHANGEABLE
Tee,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
5325-00-981-018150-257 INTERCHANGEABLE
Ring,retaining
Motorola Solutions Danmark A/s
5330-01-236-05046139024-7 INTERCHANGEABLE
Gasket
Naval Facilities Engineering Command
6660-01-313-644450257 INTERCHANGEABLE
Maintenance Kit,sensor
Lightning Location and Protection Inc
4730-01-432-387650257 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
4810-01-556-60435025-7 INTERCHANGEABLE
Valve,solenoid
Gt Development Corp
2530-01-563-849450257BLKCARC INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Accuride Corporation Dba Accuride Distributing Llc
Cross-Reference Index
Part NumberManufacturer
50257 Kleinschmidt Inc (USA)
SCB69329 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5950-00-146-4823INTERCHANGEABLE
TRANSFORMER,POWER
5930-00-236-7714INTERCHANGEABLE
SWITCH,THERMOSTATIC
50257
4730-00-595-0251INTERCHANGEABLE
TEE,PIPE
11711
5325-00-981-0181INTERCHANGEABLE
RING,RETAINING
50-257
5330-01-236-0504INTERCHANGEABLE
GASKET
6139024-7
6660-01-313-6444INTERCHANGEABLE
MAINTENANCE KIT,SENSOR
50257
4730-01-432-3876INTERCHANGEABLE
EXPANSION JOINT,PIPE
50257
4810-01-556-6043INTERCHANGEABLE
VALVE,SOLENOID
5025-7
2530-01-563-8494INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
50257BLKCARC

Frequently Asked Questions

What is NSN 3020-00-203-1450?

NSN 3020-00-203-1450 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: active.

What are the part numbers for NSN 3020-00-203-1450?

NSN 3020-00-203-1450 has 2 cross-referenced part numbers: 50257 (Kleinschmidt Inc), SCB69329 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 3020-00-203-1450?

There are 9 known substitutes for 3020-00-203-1450: 5950-00-146-4823, 5930-00-236-7714, 4730-00-595-0251 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB69329?

Key specifications for SCB69329: Bolt Hole Circle Nominal Diameter: 1.750 INCHES AXIALLY THROUGH BODY FIRST END IN; Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END; Surface Treatment: PHOSPHATE OVERALL; Pressure Angle: 14.5000 DEGREES. 22 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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