The Generator,engine Accessory, cataloged under National Stock Number 2920-01-628-4431, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is C E Niehoff & Co. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2920-01-628-4431 |
| Primary Part Number | N1609-5 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | C E Niehoff & Co |
| Status | ACTIVE |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Bottom Mounting Hole Diameter | 0.592 INCHES NOMINAL IN |
| Voltage in Volts | 28.0 |
| Mounting Hole Thread Diameter | 0.3750 INCHES NOMINAL IN |
| Mounting Hole Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| N1609-5 PRIMARY | C E Niehoff & Co (USA) |
| Reference | Meaning |
|---|---|
| N1609 | D/9 Drawing number reference only C E Niehoff & Co |
NSN 2920-01-628-4431 is a Generator,engine Accessory, manufactured by C E Niehoff & Co, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-628-4431 has 1 manufacturer part number on file: N1609-5 (C E Niehoff & Co).
Key specifications for N1609-5: Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Bottom Mounting Hole Diameter: 0.592 INCHES NOMINAL IN; Voltage in Volts: 28.0; Mounting Hole Thread Diameter: 0.3750 INCHES NOMINAL 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.
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.