PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AR19-821WSprocket Wheel

Astec Industries Inc Div Astec Ind. · NSN 3020-00-758-9463 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-758-9463 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-758-9463. Primary manufacturer part number: AR19-821W.
Features
  • Sprocket Wheel — FSC 3020
  • Keying Facility Type: KEYWAY
  • Hardness Rating Test Method: NOT RATED
  • Design Form: PLAIN
  • Bore Type: STRAIGHT
  • Hub Outside Diameter: 4.000 INCHES NOMINAL AA END IN
  • Tooth Pitch: 0.750 INCHES NOMINAL IN
  • Distance From Hub End to Flange End: 0.156 INCHES NOMINAL BB END IN
Applications
  • Applications requiring Steel construction
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-00-758-9463, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astec Industries Inc Div Astec Ind.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-758-9463
Primary Part NumberAR19-821W
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstec Industries Inc Div Astec Ind.
StatusACTIVE
Keying Facility TypeKEYWAY
Hardness Rating Test MethodNOT RATED
Design FormPLAIN
Bore TypeSTRAIGHT
Hub Outside Diameter4.000 INCHES NOMINAL AA END IN
Tooth Pitch0.750 INCHES NOMINAL IN
Distance From Hub End to Flange End0.156 INCHES NOMINAL BB END IN
MaterialSTEEL
Drilled Hole Diameter0.250 INCHES NOMINAL IN
Bore Length1.875 INCHES NOMINAL IN
Bore Diameter1.938 INCHES NOMINAL IN
Keyway Width0.500 INCHES NOMINAL IN
Furnished ItemsKEYING FACILITY
Distance From Center of Bore to Bottom of Keyway1.219 INCHES NOMINAL IN
Pitch Diameter6.699 INCHES NOMINAL IN
Securing Hole Quantity2
Face Width0.438 INCHES NOMINAL IN
Securing MethodDRILLED HOLE
Distance From Hub End to Flange End1.281 INCHES NOMINAL AA END IN
Hub Outside Diameter3.750 INCHES NOMINAL BB END IN
Quantity1
Teeth Quantity Per Row28
Protruding Hub CharacteristicPLAIN
Hole Location9N KEYWAY
Teeth Row Quantity1
Style DesignatorPLAIN
Securing LocationAA END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-899-3396SM-B-414071 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1290-01-721-540419821 INTERCHANGEABLE
Radar Chronograph Set
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
19-821 Minnpar, Llc Dba Minnpar (USA)
AR19-821W Minnpar, Llc Dba Minnpar (USA)
19-821 Barber-Greene Co (USA)
AR19-821W Barber-Greene Co (USA)
AR19-821W PRIMARY Astec Industries Inc Div Astec Ind. (USA)
Related Parts
5950-00-899-3396INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-B-414071
1290-01-721-5404INTERCHANGEABLE
RADAR CHRONOGRAPH SET
19821

Frequently Asked Questions

What is NSN 3020-00-758-9463?

NSN 3020-00-758-9463 is a Sprocket Wheel, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-758-9463?

NSN 3020-00-758-9463 has 5 cross-referenced part numbers: 19-821 (Minnpar, Llc Dba Minnpar), AR19-821W (Minnpar, Llc Dba Minnpar), 19-821 (Barber-Greene Co), AR19-821W (Barber-Greene Co), AR19-821W (Astec Industries Inc Div Astec Ind.).

What NSN replaces 3020-00-758-9463?

There are 2 known substitutes for 3020-00-758-9463: 5950-00-899-3396, 1290-01-721-5404. Verify interchangeability with system specifications before substitution.

What are the specifications of AR19-821W?

Key specifications for AR19-821W: Keying Facility Type: KEYWAY; Hardness Rating Test Method: NOT RATED; Design Form: PLAIN; Bore Type: STRAIGHT. 28 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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