The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-305-5891, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-305-5891 |
| Primary Part Number | N-11-E/SR4 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc |
| Status | ACTIVE |
| Input Shaft Quantity | 1 |
| Design Type | SINGLE REDUCTION |
| Gear Type | HELICAL |
| Input Shaft Type | STRAIGHT |
| Total Ratio | 4 TO 1 |
| Output Shaft Type | STRAIGHT |
| Output Shaft Quantity | 1 |
| 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 |
|---|---|
| N-11-E/SR4 PRIMARY | Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc (USA) |
| Reference | Meaning |
|---|---|
| N-11-E/SRA | 5/9 Secondary reference Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc |
NSN 3010-01-305-5891 is a Gear Assembly,speed Decreaser, manufactured by Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-305-5891 has 1 manufacturer part number on file: N-11-E/SR4 (Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc).
Key specifications for N-11-E/SR4: Input Shaft Quantity: 1; Design Type: SINGLE REDUCTION; Gear Type: HELICAL; Input Shaft Type: STRAIGHT. 7 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.