PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1206-350Sprocket Wheel

Chicago Dryer Co · NSN 3020-01-390-1084 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-390-1084 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-390-1084. Primary manufacturer part number: 1206-350.
Features
  • Sprocket Wheel — FSC 3020
  • Outside Diameter: 3.720 INCHES NOMINAL IN
  • Material: STEEL
  • Teeth Row Quantity: 1
  • Tooth Pitch: 0.625 INCHES NOMINAL IN
  • Asa Standard Chain Number: 50-1
  • Teeth Quantity Per Row: 17
  • Face Width: 0.343 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-01-390-1084, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Chicago Dryer Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-390-1084
Primary Part Number1206-350
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerChicago Dryer Co
StatusACTIVE
Outside Diameter3.720 INCHES NOMINAL IN
MaterialSTEEL
Teeth Row Quantity1
Tooth Pitch0.625 INCHES NOMINAL IN
Asa Standard Chain Number50-1
Teeth Quantity Per Row17
Face Width0.343 INCHES NOMINAL IN
Bore Diameter0.625 INCHES NOMINAL IN
Design FormPLAIN
Bore TypeSTRAIGHT
Pitch Diameter3.401 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-260-4138 INTERCHANGEABLE
Spring,helical,compression
9540-00-261-5099 INTERCHANGEABLE
Angle,structural
5355-00-409-68394064 INTERCHANGEABLE
Pointer,dial
Wakmann Watch Company Inc
5120-00-614-47984064 INTERCHANGEABLE
Come-Along
Aluminum Co of America
6210-00-782-17274064 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-795-4089BA1530 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
6150-01-012-90795922 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bear Electronics Inc
5940-01-015-12814064 INTERCHANGEABLE
Terminal Board
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
3120-01-318-08374064 INTERCHANGEABLE
Sleeve,bellows
United Electric Controls Company
6625-01-380-69881944-20 INTERCHANGEABLE
Divider,power,radio Frequency
Blonder Tongue Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
1206-350 PRIMARY Chicago Dryer Co (USA)
4064 Chicago Dryer Co (USA)
1206-350 Chicago Dryer Co (USA)
Related Parts
5360-00-260-4138INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
9540-00-261-5099INTERCHANGEABLE
ANGLE,STRUCTURAL
5355-00-409-6839INTERCHANGEABLE
POINTER,DIAL
4064
5120-00-614-4798INTERCHANGEABLE
COME-ALONG
4064
6210-00-782-1727INTERCHANGEABLE
LENS,LIGHT
4064
5330-00-795-4089INTERCHANGEABLE
GASKET
BA1530
6150-01-012-9079INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5922
5940-01-015-1281INTERCHANGEABLE
TERMINAL BOARD
4064
3120-01-318-0837INTERCHANGEABLE
SLEEVE,BELLOWS
4064
6625-01-380-6988INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
1944-20
4820-01-400-3182INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4064A
5950-01-497-8064INTERCHANGEABLE
COIL,ELECTRICAL
4064

Frequently Asked Questions

What is NSN 3020-01-390-1084?

NSN 3020-01-390-1084 is a Sprocket Wheel, manufactured by Chicago Dryer Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-390-1084?

NSN 3020-01-390-1084 has 3 cross-referenced part numbers: 1206-350 (Chicago Dryer Co), 4064 (Chicago Dryer Co), 1206-350 (Chicago Dryer Co).

What NSN replaces 3020-01-390-1084?

There are 12 known substitutes for 3020-01-390-1084: 5360-00-260-4138, 9540-00-261-5099, 5355-00-409-6839 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1206-350?

Key specifications for 1206-350: Outside Diameter: 3.720 INCHES NOMINAL IN; Material: STEEL; Teeth Row Quantity: 1; Tooth Pitch: 0.625 INCHES NOMINAL IN. 11 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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