The Sprocket Wheel, cataloged under National Stock Number 3020-01-182-3698, 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 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-182-3698 |
| Primary Part Number | 014221-1 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Spline Minor Diameter | 0.544 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN |
| Securing Method | PRESS FIT |
| Design Form | PLAIN |
| Outside Diameter | 2.222 INCHES NOMINAL IN |
| Spline Length | 0.188 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 2.196 INCHES NOMINAL IN |
| Spline Major Diameter | 0.644 INCHES NOMINAL IN |
| Bore Type | INVOLUTE SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 4 |
| Spline Pressure Angle in Deg | 30.0 |
| Hardness Rating Test Method | NOT RATED |
| Spline Quantity | 14 |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 630 |
| Face Width | 0.188 INCHES NOMINAL IN |
| Spline Pitch Diameter | 0.583 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 014221-1 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| HM025-679-1 | Robertson Fuel Systems, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 014221-1 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 3020-01-182-3698 is a Sprocket Wheel, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-182-3698 has 2 manufacturer part numbers on file: 014221-1 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), HM025-679-1 (Robertson Fuel Systems, L.l.c.).
Key specifications for 014221-1: Spline Minor Diameter: 0.544 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN; Securing Method: PRESS FIT; Design Form: PLAIN; Outside Diameter: 2.222 INCHES NOMINAL IN. 19 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 3020-01-182-3698 has DEMIL Code B. 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.