The Generator,engine Accessory, cataloged under National Stock Number 2920-01-292-2993, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is C E Niehoff & Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-292-2993 |
| Primary Part Number | N1206 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | C E Niehoff & Co |
| Status | ACTIVE |
| Distance Between Shaft Center and Bottom Mounting Hole Center | 5.200 INCHES NOMINAL IN |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Distance Between Outside Surfaces of Hinge Bracket | 8.530 INCHES MINIMUM AND 8.626 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Distance From End to Keyway Center | 1.353 INCHES MINIMUM AND 1.389 INCHES MAXIMUM IN |
| Distance Between Inside Surfaces of Hinge Bracket | 7.281 INCHES MINIMUM AND 7.332 INCHES MAXIMUM IN |
| Thread Length | 0.730 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Bottom Mounting Hole Diameter | 0.440 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN |
| Mounting Style | BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED |
| Voltage in Volts | 28.0 |
| Thread Diameter | 0.750 INCHES NOMINAL IN |
| Shaft Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE |
| Mounting Hole Thread Class | 2B |
| Angular Deviation of First Hole From Top Center in Deg | 0.0 |
| Mounting Hole Thread Diameter | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Second Step Diameter | 0.780 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Mounting Hole Thread Direction | RIGHT-HAND |
| Keyway Length | 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Distance Between Shaft Center and Top Mounting Hole Center | 5.200 INCHES NOMINAL IN |
| Mounting Hole Thread Quantity Per Inch | 16 |
| Keyway Width | 0.166 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Submersibility | NONSUBMERSIBLE |
| Unthreaded Portion Length | 1.246 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Angular Deviation of Second Hole From First Hole in Deg | 10.0 |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 12358709-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| N1206 PRIMARY | C E Niehoff & Co (USA) |
| Reference | Meaning |
|---|---|
| 2920012922993 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2920-01-292-2993 is a Generator,engine Accessory, manufactured by C E Niehoff & Co, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-292-2993 has 2 manufacturer part numbers on file: 12358709-1 (U S Army Tank Automotive Command Amsta-Im-Mm), N1206 (C E Niehoff & Co).
Key specifications for N1206: Distance Between Shaft Center and Bottom Mounting Hole Center: 5.200 INCHES NOMINAL IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Distance Between Outside Surfaces of Hinge Bracket: 8.530 INCHES MINIMUM AND 8.626 INCHES MAXIMUM IN; Thread Series: UNF. 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 2920-01-292-2993 has DEMIL Code Q. 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.