The Relay,electromagnetic, cataloged under National Stock Number 5945-01-292-1837, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-292-1837 |
| Primary Part Number | 197-661 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 240.0 VOLTS AC 25 DEG CELSIUS ALL WINDINGS |
| Terminal Type and Quantity | 8 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 197-661 PRIMARY | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 197-661 | 3/9 Design control — primary reference Automatic Switch Company Dba Asco |
NSN 5945-01-292-1837 is a Relay,electromagnetic, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-292-1837 has 1 manufacturer part number on file: 197-661 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-508-9764. Verify interchangeability with system specifications before substitution.
Key specifications for 197-661: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 2.000 INCHES NOMINAL IN; Duty Type: CONTINUOUS; Overall Length: 1.375 INCHES NOMINAL IN. 8 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.