The Generator,engine Accessory, cataloged under National Stock Number 2920-00-903-9534, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Southern Automotive Wholesalers, Inc. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2920-00-903-9534 |
| Primary Part Number | SAW-9039534 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Southern Automotive Wholesalers, Inc |
| Status | ACTIVE |
| Distance Between Shaft Center and Bottom Mounting Hole Center | 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Distance Between Outside Surfaces of Hinge Bracket | 8.123 INCHES MINIMUM AND 8.137 INCHES MAXIMUM IN |
| Grounding Method | INTERNAL |
| Thread Series | UNF |
| Distance From End to Keyway Center | 1.390 INCHES NOMINAL IN |
| Distance Between Inside Surfaces of Hinge Bracket | 7.243 INCHES MINIMUM AND 7.257 INCHES MAXIMUM IN |
| Thread Length | 0.740 INCHES NOMINAL IN |
| Bottom Mounting Hole Diameter | 0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| Mounting Style | BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED |
| Voltage in Volts | 28.0 |
| Thread Diameter | 0.500 INCHES NOMINAL IN |
| Armature Minimum Speed in RPM at Full Current Output | 2000 |
| Shaft Rotation Direction | CLOCKWISE |
| Mounting Hole Thread Class | 2B |
| Angular Deviation of First Hole From Top Center in Deg | 159.0 |
| Mounting Hole Thread Diameter | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Second Step Diameter | 0.6684 INCHES MINIMUM AND 0.6687 INCHES MAXIMUM IN |
| Mounting Hole Thread Direction | RIGHT-HAND |
| Minimum Current Cut-in Speed in RPM | 1500 |
| Keyway Length | 0.625 INCHES NOMINAL IN |
| Distance Between Shaft Center and Top Mounting Hole Center | 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN |
| Mounting Hole Thread Quantity Per Inch | 16 |
| Maximum Rated Armature Speed in RPM | 8000 |
| Keyway Width | 0.125 INCHES NOMINAL IN |
| Environmental Protection | CORROSION RESISTANT AND FUNGUS RESISTANT |
| Ground Polarity Type | NEGATIVE |
| Thread Quantity Per Inch | 20 |
| Submersibility | SUBMERSIBLE |
| 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 |
|---|---|
| SAW-9039534 PRIMARY | Southern Automotive Wholesalers, Inc (USA) |
| 10950808 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2920009039534 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2920-00-903-9534 is a Generator,engine Accessory, manufactured by Southern Automotive Wholesalers, Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-903-9534 has 2 manufacturer part numbers on file: SAW-9039534 (Southern Automotive Wholesalers, Inc), 10950808 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for SAW-9039534: Distance Between Shaft Center and Bottom Mounting Hole Center: 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Distance Between Outside Surfaces of Hinge Bracket: 8.123 INCHES MINIMUM AND 8.137 INCHES MAXIMUM IN; Grounding Method: INTERNAL. 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.