The Sprocket Wheel, cataloged under National Stock Number 3020-00-535-7902, 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 Us Army Aviation and Missile Command. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-535-7902 |
| Primary Part Number | 8523812 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Hub Outside Diameter | 1.656 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.875 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.504 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 2.247 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 14 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.629 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.625 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 1/4-20 |
| Keyway Width | 0.253 INCHES NOMINAL IN |
| Hole Location | ON HUB |
| Bore Diameter | 1.002 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.250 INCHES NOMINAL IN |
| Securing Location | AA END |
| 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 |
|---|---|
| 8523812 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 40B14 | 5/1 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
NSN 3020-00-535-7902 is a Sprocket Wheel, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-535-7902 has 1 manufacturer part number on file: 8523812 (Us Army Aviation and Missile Command).
Key specifications for 8523812: Hub Outside Diameter: 1.656 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 0.875 INCHES NOMINAL IN; Design Form: PLAIN. 25 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.