The Transformer,power, cataloged under National Stock Number 5950-01-299-1276, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is R.e. Darling Co., Inc.. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-299-1276 |
| Primary Part Number | Y1000N |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | R.e. Darling Co., Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND SLOT SINGLE GROUP |
| Maximum Transformer Power Rating | 1000.0 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Operating Current | 1.6 AMPERES AC MINIMUM AND 10.1 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 5.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 208.00 AC VOLTS NOMINAL OR 220.00 AC VOLTS NOMINAL OR 230.00 AC VOLTS NOMINAL OR 240.00 AC VOLTS NOMINAL AND 380.00 AC VOLTS NOMINAL OR 400.00 AC VOLTS NOMINAL OR 416.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL OR 460.00 AC VOLTS NOMINAL OR 480.00 AC VOLTS NOMINAL AND 500.00 AC VOLTS NOMINAL OR 550.00 AC VOLTS NOMINAL OR 575.00 AC VOLTS NOMINAL OR 600.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 85.00 AC VOLTS NOMINAL OR 91.00 AC VOLTS NOMINAL OR 95.00 AC VOLTS NOMINAL OR 99.00 AC VOLTS NOMINAL AND 100.00 AC VOLTS NOMINAL OR 110.00 AC VOLTS NOMINAL OR 115.00 AC VOLTS NOMINAL OR 120.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL OR 130.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 9 TAB W/SCREW |
| Mounting Slot Width | 0.438 INCHES NOMINAL SINGLE GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| Y1000N PRIMARY | R.e. Darling Co., Inc. (USA) |
NSN 5950-01-299-1276 is a Transformer,power, manufactured by R.e. Darling Co., Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-299-1276 has 1 manufacturer part number on file: Y1000N (R.e. Darling Co., Inc.).
Key specifications for Y1000N: Overall Height: 6.250 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 6.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.