The Transformer,power, cataloged under National Stock Number 5950-00-237-2107, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-237-2107 |
| Primary Part Number | PC109E0030-5 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 3.120 INCHES NOMINAL IN |
| Body Height | 3.500 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT |
| Body Length | 3.750 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 252.20 AC VOLTS MINIMUM AND 267.80 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 35.89 AC VOLTS MINIMUM AND 38.11 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 418.00 AC VOLTS MINIMUM AND 462.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 73.72 AC VOLTS MINIMUM AND 78.28 AC VOLTS MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 81.48 AC VOLTS MINIMUM AND 86.52 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Terminal Type and Quantity | 18 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 |
| Part Number | Manufacturer |
|---|---|
| BG-E22 | B G Laboratories Inc. (USA) |
| PC109E0030-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| PC109E0030-5 | 5/9 Secondary reference B G Laboratories Inc. |
| PC109E0030-5 | 5/1 Secondary reference Standex Electronics, Inc. |
| 5950PL0992394 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| PC109E0030-5 | 5/9 Secondary reference U.S. Government activity |
| PC109E0030-5 | C/1 Advisory reference — outside the item-of-supply concept Ems Development Corporation |
| PC109E0030-5 | 5/1 Secondary reference Magnetika Inc |
| PC109E0030-5 | 5/9 Secondary reference Ncr Corp Power Systems Div |
NSN 5950-00-237-2107 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-237-2107 has 2 manufacturer part numbers on file: BG-E22 (B G Laboratories Inc.), PC109E0030-5 (Northrop Grumman Systems Corporation).
Key specifications for PC109E0030-5: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 19 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.