The Relay Assembly, cataloged under National Stock Number 5945-01-251-4601, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leach International Corp Div Leach International Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-251-4601 |
| Primary Part Number | 455-0657-001 REV H KCL-X4N-006 |
| Item Name | Relay Assembly |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Leach International Corp Div Leach International Corporation |
| Status | ACTIVE |
| Individual Relay Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 455-0657-001 REV H KCL-X4N-006 | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| KCL-X4N-006 | 5/1 Secondary reference Leach International Corp Div Leach International Corporation |
| FCA-325-26 | 5/9 Secondary reference Struthers-Dunn Inc |
| 455-0657-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-01-251-4601 is a Relay Assembly, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-251-4601 has 1 manufacturer part number on file: 455-0657-001 REV H KCL-X4N-006 (Leach International Corp Div Leach International Corporation).
Key specifications for 455-0657-001 REV H KCL-X4N-006: Individual Relay Quantity: 1; End Item Identification: B1B. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.