The Transformer,power, cataloged under National Stock Number 5950-01-179-4820, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Br Communications (inc). Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-179-4820 |
| Primary Part Number | 9100-0020 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Br Communications (inc) |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 ALL GROUPINGS |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN |
| Winding Power Rating | 18.0 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY |
| Winding Power Rating | 30.0 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY |
| Winding Power Rating | 69.3 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY |
| Winding Power Rating | 88.0 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) ALL GROUPINGS |
| Winding Function and Quantity | 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | CORE GROUNDED SINGLE COMPONENT |
| Features Provided | W/RECTIFIER |
| Nominal Thread Size | 0.190 INCHES ALL GROUPINGS IN |
| Winding Operating Current | 1.5 AMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 3.6 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 4.4 AMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 6.3 AMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.235 INCHES MINIMUM AND 3.265 INCHES MAXIMUM SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.735 INCHES MINIMUM AND 3.765 INCHES MAXIMUM SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN |
| Winding Operating Voltage | 5.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 105.00 AC VOLTS NOMINAL AND 117.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 11.00 DC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 20.00 DC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 20.00 DC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| 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 |
|---|---|
| 9100-0020 PRIMARY | Br Communications (inc) (USA) |
| Reference | Meaning |
|---|---|
| S-9100-0020 | 5/9 Secondary reference Br Communications (inc) |
NSN 5950-01-179-4820 is a Transformer,power, manufactured by Br Communications (inc), classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-179-4820 has 1 manufacturer part number on file: 9100-0020 (Br Communications (inc)).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-698-3136. Verify interchangeability with system specifications before substitution.
Key specifications for 9100-0020: Overall Height: 5.600 INCHES MINIMUM AND 5.660 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 ALL GROUPINGS; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN. 26 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.