The Generator,engine Accessory, cataloged under National Stock Number 2920-00-771-3901, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 28 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-771-3901 |
| Primary Part Number | 918720 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Distance Between Shaft Center and Bottom Mounting Hole Center | 4.438 INCHES NOMINAL IN |
| Top Mounting Hole Diameter | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Distance Between Outside Surfaces of Hinge Bracket | 9.774 INCHES MINIMUM AND 9.787 INCHES MAXIMUM IN |
| Grounding Method | INTERNAL |
| Distance Between Inside Surfaces of Hinge Bracket | 8.774 INCHES MINIMUM AND 8.787 INCHES MAXIMUM IN |
| Thread Length | 0.578 INCHES NOMINAL IN |
| Bottom Mounting Hole Diameter | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Mounting Style | BRACKET MTD W/THREE MTG HOLES |
| Voltage in Volts | 12.0 |
| Thread Diameter | 0.500 INCHES NOMINAL IN |
| Armature Minimum Speed in RPM at Full Current Output | 825 |
| Shaft Rotation Direction | CLOCKWISE |
| Angular Deviation of First Hole From Top Center in Deg | 196.0 |
| Thread Direction | RIGHT-HAND |
| Second Step Diameter | 0.750 INCHES NOMINAL IN |
| Keyway Length | 0.750 INCHES NOMINAL IN |
| Distance Between Shaft Center and Top Mounting Hole Center | 4.438 INCHES NOMINAL IN |
| Maximum Rated Armature Speed in RPM | 1080 |
| Keyway Width | 0.156 INCHES NOMINAL IN |
| Ground Polarity Type | NEGATIVE |
| Thread Quantity Per Inch | 20 |
| Submersibility | NONSUBMERSIBLE |
| Maximum Output Current Rating in Amps | 55.0 |
| Furnished Items | COOLING FAN AND LOCKWASHER AND NUT AND WOODRUFF KEY |
| Unthreaded Portion Length | 0.844 INCHES NOMINAL IN |
| Angular Deviation of Second Hole From First Hole in Deg | 118.5 |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2920-00-771-3901 is a Generator,engine Accessory, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-771-3901 has 2 manufacturer part numbers on file: 7713901 (U S Army Tank Automotive Command Amsta-Im-Mm), 918720 (Chrysler Realty Company Llc Dba Daimler Chrysler).
Key specifications for 918720: Distance Between Shaft Center and Bottom Mounting Hole Center: 4.438 INCHES NOMINAL IN; Top Mounting Hole Diameter: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Distance Between Outside Surfaces of Hinge Bracket: 9.774 INCHES MINIMUM AND 9.787 INCHES MAXIMUM IN. 28 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.
NSN 2920-00-771-3901 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.