The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-328-9161, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dutch Valley Supply Co.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-328-9161 |
| Primary Part Number | SC-169 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Dutch Valley Supply Co. |
| Status | ACTIVE |
| Input Shaft Quantity | 1 |
| Input Shaft Type | STRAIGHT W/KEYWAY |
| Total Ratio | 51.0 TO 1 |
| Output Shaft Type | STRAIGHT W/KEYWAY |
| Output Shaft Quantity | 1 |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
NSN 3010-01-328-9161 is a Gear Assembly,speed Decreaser, manufactured by Dutch Valley Supply Co., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-328-9161 has 2 manufacturer part numbers on file: SC-169 (Columbus Jack Corporation Div Columbus Jack), SC-169 (Dutch Valley Supply Co.).
Key specifications for SC-169: Input Shaft Quantity: 1; Input Shaft Type: STRAIGHT W/KEYWAY; Total Ratio: 51.0 TO 1; Special Features: STRAIGHT INPUT SHAFT DIA 2.500 IN.;STRAIGHT OUTPUT SHAFT DIA 1.250 IN. IN. 6 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 3010-01-328-9161 has DEMIL Code Q. 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.