The Relay,electromagnetic, cataloged under National Stock Number 5945-00-229-2733, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-229-2733 |
| Primary Part Number | TD640-15S |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Leach International Corp Div Leach International Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Duty Type | INTERMITTENT |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Time Delay | 15.00 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 2 SCREW ENERGIZING ELEMENT |
| Terminal Type and Quantity | 3 SCREW CONTACTS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| TD640-15S PRIMARY | Leach International Corp Div Leach International Corporation (USA) |
NSN 5945-00-229-2733 is a Relay,electromagnetic, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-229-2733 has 1 manufacturer part number on file: TD640-15S (Leach International Corp Div Leach International Corporation).
Key specifications for TD640-15S: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.250 INCHES NOMINAL IN; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 13 specifications are 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.