The Transformer,power, cataloged under National Stock Number 5950-01-025-1649, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freed Transformer Co. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-025-1649 |
| Primary Part Number | 18273 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SECOND GROUP |
| Mounting Facility Quantity | 2 FIRST GROUP |
| Mounting Facility Quantity | 4 THIRD GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.400 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT FIRST GROUP |
| Mounting Method | SLOT SECOND GROUP |
| Mounting Method | THREADED HOLE(S) THIRD GROUP |
| Body Width | 3.720 INCHES NOMINAL IN |
| Body Height | 4.340 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 2.250 INCHES NOMINAL FIRST MOUNTING FACILITY FIRST CENTER GROUP IN |
| Distance Between Mounting Facility Centers | 3.075 INCHES NOMINAL FIRST MOUNTING FACILITY SECOND CENTER GROUP IN |
| Nominal Thread Size | 0.190 INCHES THIRD GROUP IN |
| Body Length | 5.590 INCHES NOMINAL IN |
| Winding Operating Current | 2.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 2.5 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 57.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.780 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 14.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 14.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 15.80 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 15.80 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Terminal Type and Quantity | 16 TURRET |
| 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 |
|---|---|
| 18273 | Freed Transformer Co (USA) |
| PEI2072 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 102277 | 3/9 Design control — primary reference Datametrics Corporation |
| 102277 | C/1 Advisory reference — outside the item-of-supply concept Rugged Information Technology Equipment Corporation Dba Rugged Information Technology Equipment |
NSN 5950-01-025-1649 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-025-1649 has 2 manufacturer part numbers on file: 18273 (Freed Transformer Co), PEI2072 (Precision Electronics, Inc).
5 possible matches (shared part number, not a government interchangeability claim): 5950-01-040-3280, 9905-01-044-7619, 5360-01-211-0438. Verify interchangeability with system specifications before substitution.
Key specifications for 18273: Mounting Facility Quantity: 2 SECOND GROUP; Mounting Facility Quantity: 2 FIRST GROUP; Mounting Facility Quantity: 4 THIRD GROUP; Inclosure Type: FULLY INCLOSED. 29 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.