The Transformer,pulse, cataloged under National Stock Number 5950-00-677-2456, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 10 specifications, 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 | 5950-00-677-2456 |
| Primary Part Number | 2221131 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.525 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 0.812 INCHES NOMINAL IN |
| DC Resistance Rating in Ohms | 50.000 SINGLE COMPONENT SINGLE SECONDARY |
| DC Resistance Rating in Ohms | 500.000 SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Primary to Secondary Turn Ratio | 4 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 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 |
| Part Number | Manufacturer |
|---|---|
| 2221131 PRIMARY | L3harris Technologies, Inc. (USA) |
NSN 5950-00-677-2456 is a Transformer,pulse, manufactured by L3harris Technologies, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-677-2456 has 1 manufacturer part number on file: 2221131 (L3harris Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-200-9917. Verify interchangeability with system specifications before substitution.
Key specifications for 2221131: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.525 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 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.