The Transformer,pulse, cataloged under National Stock Number 5950-00-085-4015, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sypris Electronics, Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-085-4015 |
| Primary Part Number | 20000021 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Sypris Electronics, Llc |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 0.562 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Body Length | 0.450 INCHES NOMINAL IN |
| DC Resistance Rating in Ohms | 3.500 SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 1.000 SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Primary to Secondary Turn Ratio | 5 TO 1 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 6 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 5950-00-085-4015 is a Transformer,pulse, manufactured by Sypris Electronics, Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-085-4015 has 2 manufacturer part numbers on file: 20000021 (Sypris Electronics, Llc), Y25560 (Sprague Electric Co World Hqs).
1 possible match (shared part number, not a government interchangeability claim): 1620-01-507-3467. Verify interchangeability with system specifications before substitution.
Key specifications for 20000021: Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 0.562 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 10 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.