The Head Asy Drive End, cataloged under National Stock Number 2920-00-770-6440, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Mack Trucks Inc Parts Opn. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Head Asy Drive End |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | Mack Trucks Inc Parts Opn (CAGE 76040); Borgwarner Pds (anderson), L.l.c. (CAGE 1LW55) |
| Parameter | Value |
|---|---|
| NSN | 2920-00-770-6440 |
| Primary Part Number | 1903423 |
| Item Name | Head Asy Drive End |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1903423 | Mack Trucks Inc Parts Opn (USA) |
| 1903423 | Borgwarner Pds (anderson), L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 1903423 | 3/9 Design control — primary reference General Motors Corp Delco Remy Div |
| 427505 | 5/9 Secondary reference White Motor Corp |
| 127039 | 5/9 Secondary reference Brockway Motor Trucks Div of Mack Trucks Inc |
| 1903423 | 5/2 Secondary reference U.S. Government activity |
| 1903423 | 5/9 Secondary reference General Motors Corp |
NSN 2920-00-770-6440 is a Head Asy Drive End, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-770-6440 has 2 manufacturer part numbers on file: 1903423 (Mack Trucks Inc Parts Opn), 1903423 (Borgwarner Pds (anderson), L.l.c.).
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.