The Sprocket Wheel, cataloged under National Stock Number 3020-00-591-7235, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-591-7235 |
| Primary Part Number | 8530503 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Distance From Center of Bore to Top of Key | 0.784 INCHES NOMINAL IN |
| Hub Outside Diameter | 2.375 INCHES NOMINAL AA END IN |
| Securing Method | SETSCREW |
| Bore Length | 0.188 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Key Width | 0.313 INCHES NOMINAL IN |
| Teeth Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Asa Standard Chain Number | 60 |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Keying Facility Type | INTEGRAL KEY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 2.898 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 12 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Distance From Hub End to Flange End | 0.729 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 5/16-18 |
| Hole Location | ON HUB |
| Bore Diameter | 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.459 INCHES NOMINAL IN |
| 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 |
|---|---|
| 8530503 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-591-7235 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 3020-00-591-7235 has 1 manufacturer part number on file: 8530503 (Us Army Aviation and Missile Command).
Key specifications for 8530503: Distance From Center of Bore to Top of Key: 0.784 INCHES NOMINAL IN; Hub Outside Diameter: 2.375 INCHES NOMINAL AA END IN; Securing Method: SETSCREW; Bore Length: 0.188 INCHES NOMINAL IN. 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.