The Generator,engine Accessory, cataloged under National Stock Number 2920-00-167-8549, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Prestolite Electric Inc. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2920-00-167-8549 |
| Primary Part Number | 5516A |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Distance Between Shaft Center and Bottom Mounting Hole Center | 4.125 INCHES NOMINAL IN |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Distance Between Outside Surfaces of Hinge Bracket | 7.681 INCHES MINIMUM AND 7.694 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Distance From End to Keyway Center | 1.344 INCHES NOMINAL IN |
| Distance Between Inside Surfaces of Hinge Bracket | 7.243 INCHES MINIMUM AND 7.256 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Bottom Mounting Hole Diameter | 0.453 INCHES NOMINAL IN |
| Mounting Style | BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED |
| Voltage in Volts | 28.0 |
| Rectifier Location | SEPARATE |
| Thread Diameter | 0.750 INCHES NOMINAL IN |
| Armature Minimum Speed in RPM at Full Current Output | 2700 |
| Shaft Rotation Direction | CLOCKWISE |
| Mounting Hole Thread Class | 2B |
| Angular Deviation of First Hole From Top Center in Deg | 180.0 |
| Mounting Hole Thread Diameter | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Second Step Diameter | 0.874 INCHES NOMINAL IN |
| Mounting Hole Thread Direction | RIGHT-HAND |
| Keyway Length | 0.562 INCHES NOMINAL IN |
| Distance Between Shaft Center and Top Mounting Hole Center | 4.125 INCHES NOMINAL IN |
| Mounting Hole Thread Quantity Per Inch | 16 |
| Maximum Rated Armature Speed in RPM | 8000 |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Test Data Document | 19207-11640180 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Thread Quantity Per Inch | 16 |
| Submersibility | NONSUBMERSIBLE |
| Maximum Output Current Rating in Amps | 180.0 |
| Unthreaded Portion Length | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5516AA | Prestolite Electric Inc (USA) |
| 5516A PRIMARY | Prestolite Electric Inc (USA) |
| 11640180 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| A0015516AA | 5/9 Secondary reference Prestolite Electric Inc |
| 5516A | 5/9 Secondary reference Prestolite Electric Inc |
| A0011516AA | 5/9 Secondary reference Prestolite Electric Inc |
| 5516AA | 5/9 Secondary reference Prestolite Electric Inc |
NSN 2920-00-167-8549 is a Generator,engine Accessory, manufactured by Prestolite Electric Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-167-8549 has 3 manufacturer part numbers on file: 5516AA (Prestolite Electric Inc), 5516A (Prestolite Electric Inc), 11640180 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-190-4241. Verify interchangeability with system specifications before substitution.
Key specifications for 5516A: Distance Between Shaft Center and Bottom Mounting Hole Center: 4.125 INCHES NOMINAL IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Distance Between Outside Surfaces of Hinge Bracket: 7.681 INCHES MINIMUM AND 7.694 INCHES MAXIMUM IN; 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.
NSN 2920-00-167-8549 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.