The Transformer,power, cataloged under National Stock Number 5950-01-511-5909, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mcl Industries, Inc. Dba Mcl Industries Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-511-5909 |
| Primary Part Number | 1421-0000 ITEM 19 REV 1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Mcl Industries, Inc. Dba Mcl Industries Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT SINGLE GROUP |
| Winding Operating Current | 8.33 AMPERES AC NOMINAL 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 | 4.310 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 240.00 AC VOLTS NOMINAL AND 480.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 1 TERMINAL BLOCK W/SCREWS |
| Mounting Slot Width | 0.280 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 |
|---|---|
| 9070-TF1000D1 | Schneider Electric Usa, Inc. (USA) |
| 1421-0000 ITEM 19 REV 1 PRIMARY | Mcl Industries, Inc. Dba Mcl Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 1421-0000 | D/9 Drawing number reference only Mcl Industries, Inc. Dba Mcl Industries Inc |
NSN 5950-01-511-5909 is a Transformer,power, manufactured by Mcl Industries, Inc. Dba Mcl Industries Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-511-5909 has 2 manufacturer part numbers on file: 9070-TF1000D1 (Schneider Electric Usa, Inc.), 1421-0000 ITEM 19 REV 1 (Mcl Industries, Inc. Dba Mcl Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 6110-01-512-2971, 6110-01-512-2972, 5930-01-512-9366. Verify interchangeability with system specifications before substitution.
Key specifications for 1421-0000 ITEM 19 REV 1: Overall Height: 5.730 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 13 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.