The Transformer,power, cataloged under National Stock Number 5950-01-333-8937, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 5950-01-333-8937 |
| Primary Part Number | 4017991 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Precious Material | GOLD AND SILVER |
| Body Outside Diameter | 2.390 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Center to Center Distance Between Mounting Facilities Parallel to the Base of an Isosceles Triangle | 1.920 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 2.230 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY AND 1 TERTIARY SINGLE COMPONENT |
| Features Provided | W/RECTIFIER |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Winding Operating Current | 1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Precious Material and Location | TERMINALS GOLD AND TERMINALS SILVER |
| Frequency Rating | 19.0 KILOHERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Test Data Document | 07187-4017991 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Winding Operating Voltage | 15.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 3 PIN AND 5 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-333-8937 is a Transformer,power, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-333-8937 has 4 manufacturer part numbers on file: 4017991 (Magnespec Inc), PR-E626 (Payne Magnetics, Inc.), E626 (Payne Magnetics, Inc.), 4017991 (Honeywell International Inc. Dba Honeywell International).
2 possible matches (shared part number, not a government interchangeability claim): 6105-01-367-8814, 5640-01-486-8946. Verify interchangeability with system specifications before substitution.
Key specifications for 4017991: Mounting Facility Quantity: 3 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Precious Material: GOLD AND SILVER; Body Outside Diameter: 2.390 INCHES MAXIMUM IN. 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.