The Gear,helical, cataloged under National Stock Number 3020-01-587-4523, 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 Nd Defense Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-587-4523 |
| Primary Part Number | 1677590C1 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Teeth Quantity | 49 |
| Teeth Type | BEVEL |
| 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 |
|---|---|
| 1677590C1 | Nd Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 432-0629 | 3/9 Design control — primary reference Meritor Specialty Products Llc |
NSN 3020-01-587-4523 is a Gear,helical, manufactured by Nd Defense Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-587-4523 has 1 manufacturer part number on file: 1677590C1 (Nd Defense Llc).
Key specifications for 1677590C1: Teeth Quantity: 49; Teeth Type: BEVEL; Special Features: USED ON THE INTERMEDIATE SHAFT; End Item Identification: MRAP-MAXXPRO DASH; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS. 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.
NSN 3020-01-587-4523 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.