The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-050-7860, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eastern Industrial Products, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-050-7860 |
| Primary Part Number | 63-E-34REVC |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Eastern Industrial Products, Inc. |
| Status | ACTIVE |
| Input Shaft Quantity | 1 |
| Design Type | SINGLE REDUCTION |
| Lubrication System | MANUAL |
| Input Shaft Type | STRAIGHT W/KEYWAY |
| Shaft Position | INPUT AND OUTPUT SHAFTS EXTENDS AT 90 DEGREE ANGLE OF EACH OTHER |
| Total Ratio | 30.000 TO 1 |
| Output Shaft Type | STRAIGHT W/KEYWAY |
| 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 |
|---|---|
| C-75-E-128PC37 | Eastern Industrial Products, Inc. (USA) |
| 63-E-34REVC PRIMARY | Eastern Industrial Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 63-6-34REVC | C/1 Advisory reference — outside the item-of-supply concept Eastern Industrial Products, Inc. |
| C-75-E-128 | D/9 Drawing number reference only Eastern Industrial Products, Inc. |
| X30 | C/1 Advisory reference — outside the item-of-supply concept Charles Bond Company Dba Christiana Machine Company |
NSN 3010-01-050-7860 is a Gear Assembly,speed Decreaser, manufactured by Eastern Industrial Products, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-050-7860 has 2 manufacturer part numbers on file: C-75-E-128PC37 (Eastern Industrial Products, Inc.), 63-E-34REVC (Eastern Industrial Products, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-057-8942, 4240-01-501-0686, 5935-01-553-8566. Verify interchangeability with system specifications before substitution.
Key specifications for 63-E-34REVC: Input Shaft Quantity: 1; Design Type: SINGLE REDUCTION; Lubrication System: MANUAL; Input Shaft Type: STRAIGHT W/KEYWAY. 8 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.