The Generator,engine Accessory, cataloged under National Stock Number 2920-00-404-6984, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Borgwarner Pds (anderson), L.l.c.. Government technical data includes 29 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2920-00-404-6984 |
| Primary Part Number | 1105156 |
| Item Name | Generator,engine Accessory |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Borgwarner Pds (anderson), L.l.c. |
| Status | ACTIVE |
| FSC Application Data | ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT |
| Distance Between Shaft Center and Bottom Mounting Hole Center | 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM IN |
| Top Mounting Hole Diameter | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Shaft Drive End Style | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| Grounding Method | EXTERNAL |
| Thread Series | UNF |
| Distance From End to Keyway Center | 1.312 INCHES NOMINAL IN |
| Thread Length | 0.650 INCHES NOMINAL IN |
| Bottom Mounting Hole Diameter | 0.467 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN |
| Mounting Style | FLANGE 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 | 1760 |
| Shaft Rotation Direction | COUNTERCLOCKWISE |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 3.605 INCHES MINIMUM AND 3.645 INCHES MAXIMUM IN |
| Second Step Diameter | 0.7491 INCHES MINIMUM AND 0.7496 INCHES MAXIMUM IN |
| Pilot Diameter | 3.247 INCHES MINIMUM AND 3.249 INCHES MAXIMUM IN |
| Pilot Height | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Keyway Length | 0.750 INCHES NOMINAL IN |
| Keyway Width | 0.156 INCHES NOMINAL IN |
| Ground Polarity Type | NEGATIVE OR POSITIVE |
| Center to Center Distance Between Top Mounting Slot and Bottom Mounting Hole | 5.865 INCHES MINIMUM AND 5.885 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Submersibility | NONSUBMERSIBLE |
| Maximum Output Current Rating in Amps | 24.0 |
| Furnished Items | COOLING FAN AND FAN SHROUD AND OIL DEFLECTOR AND WOODRUFF KEY |
| Unthreaded Portion Length | 1.320 INCHES NOMINAL IN |
| Thread Class | 2A A |
| 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 |
|---|---|
| 1S1420 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 1105156 PRIMARY | Borgwarner Pds (anderson), L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 1105156 | 5/9 Secondary reference General Motors Corp |
| IPD1S1420 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| 1105156 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| 1105156 | 3/9 Design control — primary reference General Motors Corp Delco Remy Div |
NSN 2920-00-404-6984 is a Generator,engine Accessory, manufactured by Borgwarner Pds (anderson), L.l.c., classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-404-6984 has 2 manufacturer part numbers on file: 1S1420 (Caterpillar Inc Div Caterpillar Defense), 1105156 (Borgwarner Pds (anderson), L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-237-8125. Verify interchangeability with system specifications before substitution.
Key specifications for 1105156: FSC Application Data: ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT; Distance Between Shaft Center and Bottom Mounting Hole Center: 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM IN; Top Mounting Hole Diameter: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY. 29 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.