The Transformer,electrical, cataloged under National Stock Number 5950-00-401-6543, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories. Government technical data includes 1 specification, 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 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 | 5950-00-401-6543 |
| Primary Part Number | 1601-005 |
| Item Name | Transformer,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories |
| Status | ACTIVE |
| General Characteristics Item Description | FULLY INCLOSED |
| 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 |
|---|---|
| 1601-005 PRIMARY | Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories (USA) |
NSN 5950-00-401-6543 is a Transformer,electrical, manufactured by Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-401-6543 has 1 manufacturer part number on file: 1601-005 (Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-165-5045. Verify interchangeability with system specifications before substitution.
Key specifications for 1601-005: General Characteristics Item Description: FULLY INCLOSED. 1 specification is 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.