The Generator,engine Accessory, cataloged under National Stock Number 2920-01-301-9912, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Mitsubishi Electric Corporation Kamakura Works Div Defense Systems. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-301-9912 |
| Primary Part Number | A5T21077 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Mitsubishi Electric Corporation Kamakura Works Div Defense Systems |
| Status | ACTIVE |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED |
| Distance Between Outside Surfaces of Hinge Bracket | 84.0 MILLIMETERS NOMINAL MM |
| Distance Between Inside Surfaces of Hinge Bracket | 55.0 MILLIMETERS NOMINAL MM |
| Mounting Style | BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED |
| Voltage in Volts | 12.0 |
| Rectifier Location | INTEGRAL |
| Armature Minimum Speed in RPM at Full Current Output | 1300 |
| Shaft Rotation Direction | CLOCKWISE |
| Angular Deviation of First Hole From Top Center in Deg | 0.0 |
| Mounting Hole Thread Direction | RIGHT-HAND |
| Maximum Rated Armature Speed in RPM | 2500 |
| Ground Polarity Type | NEGATIVE |
| Submersibility | SUBMERSIBLE OR NONSUBMERSIBLE |
| Furnished Items | DRIVE PULLEY |
| Mounting Hole Thread Series Designator | ISO M |
| 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 |
|---|---|
| A5T21077 | Mitsubishi Electric Corporation Kamakura Works Div Defense Systems (JPN) |
| A8083 | Delphi Powertrain Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| A5T21077 | 5/9 Secondary reference Mitsubishi Electric Corpration |
| MD064068 | 3/9 Design control — primary reference Machinery Distribution Inc |
| A5T21077 | 5/9 Secondary reference Mitsubishi Electric Corporation |
| A5T21077 | 5/9 Secondary reference Mitsubishi Electric Corporation |
NSN 2920-01-301-9912 is a Generator,engine Accessory, manufactured by Mitsubishi Electric Corporation Kamakura Works Div Defense Systems, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-301-9912 has 2 manufacturer part numbers on file: A5T21077 (Mitsubishi Electric Corporation Kamakura Works Div Defense Systems), A8083 (Delphi Powertrain Systems, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5930-01-492-9059, 5930-01-492-9060, 5930-01-492-9061. Verify interchangeability with system specifications before substitution.
Key specifications for A5T21077: Shaft Drive End Style: STRAIGHT SHAFT END, THREADED; Distance Between Outside Surfaces of Hinge Bracket: 84.0 MILLIMETERS NOMINAL MM; Distance Between Inside Surfaces of Hinge Bracket: 55.0 MILLIMETERS NOMINAL MM; Mounting Style: BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED. 15 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.