The Contact Block, cataloged under National Stock Number 5945-01-064-9639, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schneider Canada Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-064-9639 |
| Primary Part Number | J20C40 |
| Item Name | Contact Block |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Schneider Canada Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 4PSTNO; 300 VOLTS,CONVERTIBLE POLES |
| 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 |
|---|---|
| J20C40 PRIMARY | Schneider Canada Inc (CAN) |
| Reference | Meaning |
|---|---|
| J20B40 | 5/9 Secondary reference L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
NSN 5945-01-064-9639 is a Contact Block, manufactured by Schneider Canada Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-064-9639 has 1 manufacturer part number on file: J20C40 (Schneider Canada Inc).
Key specifications for J20C40: General Characteristics Item Description: 4PSTNO; 300 VOLTS,CONVERTIBLE POLES. 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.