The Sprocket Wheel, cataloged under National Stock Number 3020-00-852-7553, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astec Industries Inc Div Astec Ind.. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-852-7553 |
| Primary Part Number | A19-2066A |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Astec Industries Inc Div Astec Ind. |
| Status | ACTIVE |
| Hub Outside Diameter | 1.180 INCHES NOMINAL BOTH ENDS IN |
| First Step Diameter | 1.850 INCHES NOMINAL BOTH ENDS IN |
| Third Step Length and Location | 0.462 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | SETSCREW |
| Bore Length | 2.750 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Lubrication Mode | NO VISIBLE MEANS |
| Tooth Pitch | 1.000 INCHES NOMINAL IN |
| Asa Standard Chain Number | 80 |
| Outside Diameter | 5.310 INCHES NOMINAL IN |
| Second Step Length | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | PLAIN |
| Pitch Diameter | 4.810 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 15 |
| Second Step Diameter | 3.250 INCHES NOMINAL AA END IN |
| Second Step Diameter | 3.0000 INCHES NOMINAL BB END IN |
| Protruding Hub Characteristic | STEPPED |
| Hardness Rating Test Method | NOT RATED |
| First Step Length | 0.438 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | BORE BEARING |
| Face Width | 0.575 INCHES NOMINAL IN |
| Furnished Items and Quantity | SETSCREW,FOUR EACH |
| Securing Location | BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A19-2066A PRIMARY | Astec Industries Inc Div Astec Ind. (USA) |
| Reference | Meaning |
|---|---|
| A19-2066A | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| A19-2066A | 5/9 Secondary reference Barber-Greene Co |
NSN 3020-00-852-7553 is a Sprocket Wheel, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-852-7553 has 1 manufacturer part number on file: A19-2066A (Astec Industries Inc Div Astec Ind.).
Key specifications for A19-2066A: Hub Outside Diameter: 1.180 INCHES NOMINAL BOTH ENDS IN; First Step Diameter: 1.850 INCHES NOMINAL BOTH ENDS IN; Third Step Length and Location: 0.462 INCHES NOMINAL BOTH ENDS IN; Securing Method: SETSCREW. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.