The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-174-4074, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-174-4074 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Design Type | SIX STEP REDUCTION |
| Gear Type | SPUR |
| Shaft Position | OUTPUT SHAFT EXTENDS TO TOP AND BOTTOM |
| Total Ratio | 30 TO 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1030-0030 | 3/9 Design control — primary reference Emerson Process Management Valve Automation, Inc. |
NSN 3010-01-174-4074 is a Gear Assembly,speed Decreaser, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5940-01-211-6617. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-174-4074: Design Type: SIX STEP REDUCTION; Gear Type: SPUR; Shaft Position: OUTPUT SHAFT EXTENDS TO TOP AND BOTTOM; Total Ratio: 30 TO 1. 4 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.