The Generator,engine Accessory, cataloged under National Stock Number 2920-00-377-5229, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-377-5229 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Status | ACTIVE |
| FSC Application Data | ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Grounding Method | EXTERNAL |
| Thread Series | UNF |
| Distance From End to Keyway Center | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Mounting Style | PILOT MTD W/TWO MTG HOLES |
| Voltage in Volts | 12.0 |
| Thread Diameter | 0.500 INCHES NOMINAL IN |
| Mounting Hole Largest Diameter | 0.500 INCHES NOMINAL IN |
| Armature Minimum Speed in RPM at Full Current Output | 2000 |
| Shaft Rotation Direction | CLOCKWISE |
| Angular Deviation of First Hole From Top Center in Deg | 0.0 |
| Mounting Pilot Outside Diameter | 3.246 INCHES MINIMUM AND 3.248 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Second Step Diameter | 0.7495 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Keyway Length | 0.625 INCHES NOMINAL IN |
| Mounting Pilot Depth | 2.594 INCHES NOMINAL IN |
| Mounting Hole Depth | 0.500 INCHES NOMINAL IN |
| Mounting Hole Smallest Diameter | 0.312 INCHES NOMINAL IN |
| Keyway Width | 0.156 INCHES NOMINAL IN |
| Environmental Protection | CORROSION RESISTANT AND FUNGUS RESISTANT |
| Ground Polarity Type | NEGATIVE OR POSITIVE |
| Countersunk Mounting Hole Angle in Deg | 30.0 |
| Thread Quantity Per Inch | 20 |
| Submersibility | NONSUBMERSIBLE |
| Maximum Output Current Rating in Amps | 10.0 |
| Furnished Items | VOLTAGE REGULATOR AND WOODRUFF KEY |
| Distance From Mounting Hole Center to End of Housing | 1.500 INCHES NOMINAL IN |
| Unthreaded Portion Length | 1.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1102542 | 5/9 Secondary reference General Motors Corp |
| 1102542 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| 1102542 | C/1 Advisory reference — outside the item-of-supply concept Borgwarner Pds (anderson), L.l.c. |
| 1102542 | 3/9 Design control — primary reference General Motors Corp Delco Remy Div |
NSN 2920-00-377-5229 is a Generator,engine Accessory, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1210-00-852-7532. Verify interchangeability with system specifications before substitution.
Key specifications for 2920-00-377-5229: FSC Application Data: ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Grounding Method: EXTERNAL; Thread Series: UNF. 30 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.