The Gear,spur, cataloged under National Stock Number 3020-01-392-2478, 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 Morpac Industries, Inc Div Actuator. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-392-2478 |
| Primary Part Number | 50020-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Morpac Industries, Inc Div Actuator |
| Status | ACTIVE |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | HUBLESS |
| 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 |
|---|---|
| 40010 ITEM NO.9 | Morpac Industries, Inc Div Actuator (USA) |
| 50020-1 PRIMARY | Morpac Industries, Inc Div Actuator (USA) |
| Reference | Meaning |
|---|---|
| 40010 | D/9 Drawing number reference only Morpac Industries, Inc Div Actuator |
NSN 3020-01-392-2478 is a Gear,spur, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-392-2478 has 2 manufacturer part numbers on file: 40010 ITEM NO.9 (Morpac Industries, Inc Div Actuator), 50020-1 (Morpac Industries, Inc Div Actuator).
1 possible match (shared part number, not a government interchangeability claim): 8120-01-714-9583. Verify interchangeability with system specifications before substitution.
Key specifications for 50020-1: Bore Style: PLAIN BOTH ENDS; Style Designator: HUBLESS. 2 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.