The Sprocket Wheel, cataloged under National Stock Number 3020-00-288-5740, 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 Safran Power Usa Llc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-288-5740 |
| Primary Part Number | D15-103 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Safran Power Usa Llc |
| Status | ACTIVE |
| Spline Minor Diameter | 1.133 INCHES MINIMUM AND 1.138 INCHES MAXIMUM IN |
| Hub Outside Diameter | 1.625 INCHES NOMINAL AA END IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.625 INCHES NOMINAL IN |
| Asa Standard Chain Number | 50 |
| Outside Diameter | 3.720 INCHES NOMINAL IN |
| Spline Length | 1.357 INCHES MINIMUM AND 1.363 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Pitch Diameter | 3.400 INCHES NOMINAL IN |
| Spline Major Diameter | 1.273 INCHES NOMINAL IN |
| Bore Type | INVOLUTE SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 17 |
| Spline Pressure Angle in Deg | 30.0 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Spline Quantity | 24 |
| Distance From Hub End to Flange End | 1.002 INCHES MINIMUM AND 1.008 INCHES MAXIMUM AA END IN |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Face Width | 0.355 INCHES NOMINAL IN |
| Spline Pitch Diameter | 1.2000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-288-5740 is a Sprocket Wheel, manufactured by Safran Power Usa Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-288-5740 has 2 manufacturer part numbers on file: D15-103 (Safran Power Usa Llc), D15-103 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for D15-103: Spline Minor Diameter: 1.133 INCHES MINIMUM AND 1.138 INCHES MAXIMUM IN; Hub Outside Diameter: 1.625 INCHES NOMINAL AA END IN; Design Form: PLAIN; Tooth Pitch: 0.625 INCHES NOMINAL IN. 22 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.
NSN 3020-00-288-5740 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.