The Regulator,engine Generator, cataloged under National Stock Number 2920-00-863-4088, 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 22 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2920-00-863-4088 |
| Primary Part Number | 3598R |
| Item Name | Regulator,engine Generator |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Center to Center Distance Between Holes Along Width and Hole Along Length | 6.188 INCHES NOMINAL IN |
| Field Relay Unit | NOT INCLUDED |
| Terminal Quantity | 4 |
| Terminal Type | SCREW |
| Current Regulator Unit Type | WIRE WOUND COIL |
| Shock Mount | NOT PROVIDED |
| Output Current Rating in Amps | 35.0 NOMINAL |
| Cutout Voltage Rating | 12.0 MINIMUM AND 12.8 MAXIMUM |
| Radio Interference Shielding | NOT PROVIDED |
| Distance Between Holes Along Width | 1.500 INCHES NOMINAL IN |
| Cut-in Voltage Rating | 27.8 MINIMUM AND 28.2 MAXIMUM |
| Mounting Style | THREE HOLE TRIANGULAR |
| Voltage Regulator Unit Type | WIRE WOUND COIL |
| Mounting Hole Diameter | 0.312 INCHES NOMINAL IN |
| Output Voltage Rating in Volts | 27.8 MINIMUM AND 29.0 MAXIMUM |
| System Voltage Rating | 24.0 |
| Voltage Regulator Unit Quantity | 1 |
| Current Regulator Unit Quantity | 1 |
| Terminal Encasement | NOT ENCASED |
| Circuit Control Device Type | CUTOUT RELAY |
| System Ground Polarity | NEGATIVE OR POSITIVE |
| Reverse Current Overload Circuit Breaker | NOT INCLUDED |
| 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 |
|---|---|
| 3598R PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 3598R | 5/9 Secondary reference Prestolite Electric Inc |
| 0624A0305 | 5/9 Secondary reference Arrow-Master, Incorporated |
| R0013598R | 5/9 Secondary reference Prestolite Electric Inc |
| 935148 | 5/9 Secondary reference Am General Llc |
| R0013598RA | 5/9 Secondary reference Prestolite Electric Inc |
| 5970008634088 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 210091H1 | 5/2 Secondary reference U.S. Government activity |
NSN 2920-00-863-4088 is a Regulator,engine Generator, manufactured by Prestolite Electric Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-863-4088 has 1 manufacturer part number on file: 3598R (Prestolite Electric Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-169-0201, 6625-01-285-1155. Verify interchangeability with system specifications before substitution.
Key specifications for 3598R: Center to Center Distance Between Holes Along Width and Hole Along Length: 6.188 INCHES NOMINAL IN; Field Relay Unit: NOT INCLUDED; Terminal Quantity: 4; Terminal Type: SCREW. 22 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.