The Generator,engine Accessory, cataloged under National Stock Number 2920-00-451-2845, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-451-2845 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Status | ACTIVE |
| Distance Between Shaft Center and Bottom Mounting Hole Center | 3.300 INCHES NOMINAL IN |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED |
| Thread Length | 0.430 INCHES NOMINAL IN |
| Mounting Style | FLANGE MTD W/TWO MTG HOLES, TOP HOLE THREADED |
| Voltage in Volts | 12.0 |
| Rectifier Location | INTEGRAL |
| Shaft Rotation Direction | CLOCKWISE |
| Mounting Hole Thread Class | 2B |
| Angular Deviation of First Hole From Top Center in Deg | 0.0 |
| Mounting Hole Thread Diameter | 0.312 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Second Step Diameter | 0.669 INCHES NOMINAL IN |
| Mounting Hole Thread Direction | RIGHT-HAND |
| Distance Between Shaft Center and Top Mounting Hole Center | 3.300 INCHES NOMINAL IN |
| Mounting Hole Thread Quantity Per Inch | 18 |
| Ground Polarity Type | NEGATIVE |
| Submersibility | NONSUBMERSIBLE |
| Furnished Items | LOCKWASHER AND NUT |
| Unthreaded Portion Length | 0.740 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Angular Deviation of Second Hole From First Hole in Deg | 180.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 508552M92 | 5/2 Secondary reference U.S. Government activity |
| 508552M92 | 5/9 Secondary reference Massey-Ferguson Inc |
| 1100822 | 3/9 Design control — primary reference General Motors Corp Delco Remy Div |
| 1100822 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 925463C91 | 5/2 Secondary reference U.S. Government activity |
| 1100822 | 5/9 Secondary reference General Motors Corp |
| 1100822 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
NSN 2920-00-451-2845 is a Generator,engine Accessory, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
Key specifications for 2920-00-451-2845: Distance Between Shaft Center and Bottom Mounting Hole Center: 3.300 INCHES NOMINAL IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED; Thread Length: 0.430 INCHES NOMINAL IN; Mounting Style: FLANGE MTD W/TWO MTG HOLES, TOP HOLE THREADED. 21 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.