The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-372-6221, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Crane and Hoist, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-372-6221 |
| Primary Part Number | 4387G3100 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | General Crane and Hoist, Inc. |
| Status | ACTIVE |
| Total Ratio | 245.5 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 |
| Part Number | Manufacturer |
|---|---|
| TYPE ZHP 3.22 101-108 | General Crane and Hoist, Inc. (USA) |
| 032210031 | General Crane and Hoist, Inc. (USA) |
| ZHP0322.00031 | Zollern Gmbh & Co. Kg (DEU) |
| 4387G3100 PRIMARY | General Crane and Hoist, Inc. (USA) |
| 4387G3000 FIND 1 | General Crane and Hoist, Inc. (USA) |
NSN 3010-01-372-6221 is a Gear Assembly,speed Decreaser, manufactured by General Crane and Hoist, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-372-6221 has 5 manufacturer part numbers on file: TYPE ZHP 3.22 101-108 (General Crane and Hoist, Inc.), 032210031 (General Crane and Hoist, Inc.), ZHP0322.00031 (Zollern Gmbh & Co. Kg), 4387G3100 (General Crane and Hoist, Inc.), 4387G3000 FIND 1 (General Crane and Hoist, Inc.).
Key specifications for 4387G3100: Total Ratio: 245.5 TO 1; End Item Identification: TORQUE CONVERTERS AND SPEED CHANGERS. 1 specification is 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.