The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-00-338-2123, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-00-338-2123 |
| Primary Part Number | 185N250 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Gear Type | HELICAL |
| Input Shaft Type | PINION |
| 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 |
|---|---|
| 185N250 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 185N250 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
NSN 3010-00-338-2123 is a Gear Assembly,speed Decreaser, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-338-2123 has 1 manufacturer part number on file: 185N250 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).
Key specifications for 185N250: Gear Type: HELICAL; Input Shaft Type: PINION; Special Features: REFERENCE DATA, T.O. 31P6-2FPS20-4, FIG 16, INDEX 71, ANTENNA PEDESTAL, AB-414/FPS20, PG 42; End Item Identification: ARSR OH. 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 3010-00-338-2123 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.