The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-199-6091, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Graham Co Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-199-6091 |
| Primary Part Number | 70D59 SPECIAL |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Graham Co Inc |
| Status | ACTIVE |
| Input Shaft Quantity | 1 |
| Lubrication System | GREASE PRESSURE |
| Input Shaft Type | STRAIGHT |
| Shaft Position | INPUT SHAFT IS 1.125 INCHES DIA, THE OUTPUT SHAFT IS 2.125 INCH DIA IN |
| Output Shaft Type | STRAIGHT |
| 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 |
|---|---|
| 0871D0018 | Lockheed Martin Corporation Div Rms (USA) |
| 70D59 SPECIAL PRIMARY | Graham Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 0871D0018 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 3010-01-199-6091 is a Gear Assembly,speed Decreaser, manufactured by Graham Co Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-199-6091 has 2 manufacturer part numbers on file: 0871D0018 (Lockheed Martin Corporation Div Rms), 70D59 SPECIAL (Graham Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-383-5511. Verify interchangeability with system specifications before substitution.
Key specifications for 70D59 SPECIAL: Input Shaft Quantity: 1; Lubrication System: GREASE PRESSURE; Input Shaft Type: STRAIGHT; Shaft Position: INPUT SHAFT IS 1.125 INCHES DIA, THE OUTPUT SHAFT IS 2.125 INCH DIA IN. 5 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 3010-01-199-6091 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.