The Generator,engine Accessory, cataloged under National Stock Number 2920-01-047-9551, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-047-9551 |
| Primary Part Number | N1301-1 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | C E Niehoff & Co |
| Status | ACTIVE |
| Distance Between Outside Surfaces of Hinge Bracket | 7.125 INCHES NOMINAL IN |
| Distance Between Inside Surfaces of Hinge Bracket | 6.125 INCHES NOMINAL 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 |
| Mounting Hole Thread Class | 2B |
| Mounting Hole Thread Diameter | 0.375 INCHES NOMINAL IN |
| Mounting Hole Thread Direction | LEFT-HAND |
| Mounting Hole Thread Quantity Per Inch | 16 |
| Ground Polarity Type | NEGATIVE |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| N1301-1 | C E Niehoff & Co (USA) |
| Reference | Meaning |
|---|---|
| 4191013 | 3/2 Design control — primary reference U.S. Government activity |
| 2920010479551 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2920-01-047-9551 is a Generator,engine Accessory, manufactured by C E Niehoff & Co, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-047-9551 has 1 manufacturer part number on file: N1301-1 (C E Niehoff & Co).
Key specifications for N1301-1: Distance Between Outside Surfaces of Hinge Bracket: 7.125 INCHES NOMINAL IN; Distance Between Inside Surfaces of Hinge Bracket: 6.125 INCHES NOMINAL 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. 10 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.