The Drive Unit,angle, cataloged under National Stock Number 3010-01-252-4793, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-252-4793 |
| Primary Part Number | 9HB1-LR20 |
| Item Name | Drive Unit,angle |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Gear Ratio | 2 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 |
|---|---|
| 9HB1-LR20 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 5029219-012-101 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3010-01-252-4793 is a Drive Unit,angle, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-252-4793 has 1 manufacturer part number on file: 9HB1-LR20 (Emerson Electric Co Browning Mfg Div).
Key specifications for 9HB1-LR20: Gear Ratio: 2 TO 1; Special Features: STRAIGHT GEARING;OUTPUT SHAFT SPEED 50 TO 875 RPM;MAX OUTPUT TORQUE 477 IN.LBS;TEMPERATURE RANGE MINUS 58 DEG F TO 125 DEG F;LENGTH 10.188 IN.;INCLUDES 3 SHAFTS,1 W/KEYWAY;HOUSING MADE OF IRON,OTHER COMPONENTS OF STEEL W; End Item Identification: SEMI TRAILER TYPE 1. 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.