The Transformer,power, cataloged under National Stock Number 5950-01-013-4538, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telephonics Corp/prd Instruments. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-013-4538 |
| Primary Part Number | 38664 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Telephonics Corp/prd Instruments |
| Status | ACTIVE |
| Transformer Winding Connection Type | DELTA-WYE |
| Inclosure Type | FULLY INCLOSED |
| Body Width | 2.375 INCHES MAXIMUM IN |
| Body Height | 1.100 INCHES NOMINAL IN |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 3.125 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 10 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 |
|---|---|
| 38664 PRIMARY | Telephonics Corp/prd Instruments (USA) |
| 38664 | Babcock Inc Electro-Mag Div (USA) |
| Reference | Meaning |
|---|---|
| R103392 | 5/2 Secondary reference U.S. Government activity |
| 38664 | 5/9 Secondary reference Peraton Inc |
| 38664 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-013-4538 is a Transformer,power, manufactured by Telephonics Corp/prd Instruments, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-013-4538 has 2 manufacturer part numbers on file: 38664 (Telephonics Corp/prd Instruments), 38664 (Babcock Inc Electro-Mag Div).
3 possible matches (shared part number, not a government interchangeability claim): 5961-01-030-5326, 5331-01-281-3407, 1630-01-540-8950. Verify interchangeability with system specifications before substitution.
Key specifications for 38664: Transformer Winding Connection Type: DELTA-WYE; Inclosure Type: FULLY INCLOSED; Body Width: 2.375 INCHES MAXIMUM IN; Body Height: 1.100 INCHES NOMINAL IN. 8 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.