The Transformer,power, cataloged under National Stock Number 5950-01-256-6694, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cookson Company the. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-256-6694 |
| Primary Part Number | 21-5460 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Cookson Company the |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Mounting Hole Diameter | 0.187 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Current | 1.7 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 460.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 4 QUICK DISCONNECT, MALE |
| 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 |
|---|---|
| 21-5460 | Cookson Company the (USA) |
| 21-5460 | Chamberlain Group Inc, the Dba (chamberlain Manufacturing Corporation, Elmhurst, Il) Div Cdo (USA) |
| Reference | Meaning |
|---|---|
| BE621640GEK0003 | 3/2 Design control — primary reference U.S. Government activity |
| BE17148GEK | 5/9 Secondary reference U.S. Government activity |
| 21-5460 | 5/9 Secondary reference Link Controls Inc |
NSN 5950-01-256-6694 is a Transformer,power, manufactured by Cookson Company the, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-256-6694 has 2 manufacturer part numbers on file: 21-5460 (Cookson Company the), 21-5460 (Chamberlain Group Inc, the Dba (chamberlain Manufacturing Corporation, Elmhurst, Il) Div Cdo).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-429-5316. Verify interchangeability with system specifications before substitution.
Key specifications for 21-5460: Overall Height: 1.812 INCHES NOMINAL IN; Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 13 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.