The Transformer,power, cataloged under National Stock Number 5950-00-459-4281, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Black and Decker Us Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-459-4281 |
| Primary Part Number | 68743 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Black and Decker Us Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.940 INCHES MINIMUM AND 2.050 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND SLOT SINGLE GROUP |
| Body Width | 2.500 INCHES NOMINAL IN |
| Body Height | 3.000 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 25.0 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 2.560 INCHES NOMINAL IN |
| Winding Operating Current | 227.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 220.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Terminal Type and Quantity | 6 WIRE LEAD W/LUG |
| Mounting Slot Width | 0.190 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 |
|---|---|
| 68743 PRIMARY | Black and Decker Us Inc (USA) |
| Reference | Meaning |
|---|---|
| A1097 | 5/9 Secondary reference Nyco Transformer Co |
NSN 5950-00-459-4281 is a Transformer,power, manufactured by Black and Decker Us Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-459-4281 has 1 manufacturer part number on file: 68743 (Black and Decker Us Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5331-00-531-7451, 6320-01-224-0063, 4810-01-269-9640. Verify interchangeability with system specifications before substitution.
Key specifications for 68743: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.940 INCHES MINIMUM AND 2.050 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 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.