The Transformer,power, cataloged under National Stock Number 5950-01-255-0781, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 22 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. 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 | 5950-01-255-0781 |
| Primary Part Number | 1328AS601 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.400 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 UNTHREADED HOLE(S) SINGLE GROUP |
| Mounting Hole Diameter | 0.176 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 100.0 CELSIUS DEGC |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 1.75 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 3.4 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 3.7 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Current | 7.07 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 21.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 24.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 126.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 33.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 35.06 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Terminal Type and Quantity | 20 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-255-0781 is a Transformer,power, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-255-0781 has 2 manufacturer part numbers on file: 41727 (Coast/advanced Chip Magnetics, Inc.), 1328AS601 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
3 possible matches (shared part number, not a government interchangeability claim): 4210-01-262-2995, 5998-01-321-2664, 4730-01-523-0307. Verify interchangeability with system specifications before substitution.
Key specifications for 1328AS601: Overall Height: 3.500 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 22 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.