The Relay,electromagnetic, cataloged under National Stock Number 5945-00-549-9982, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 20 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 | 5945-00-549-9982 |
| Primary Part Number | 974-0461-00 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 3A AND 1B AND 2C A |
| Main Contact Maximum Voltage Rating in Volts | 250.0 AC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | INERT GAS |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 500.0 MILLIAMPERES AC AND 100.0 MILLIAMPERES AC AND 30.0 MILLIAMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 2.15 KILOHMS NOMINAL FIRST WINDING |
| Winding DC Resistance Rating | 3.285 KILOHMS NOMINAL SECOND WINDING |
| Features Provided | POLARIZED |
| Nominal Operating Current Rating and Type | 35.0 MILLIAMPERES DC SECOND WINDING |
| Nominal Operating Current Rating and Type | 4.5 MILLIAMPERES DC FIRST WINDING |
| Coil Quantity | 2 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 2 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS DC 25 DEG CELSIUS SECOND WINDING |
| Operating Voltage Rating and Type at Specified Temp | 96.7 VOLTS DC 25 DEG CELSIUS FIRST WINDING |
| 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 |
|---|---|
| 974-0461-00 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5945-00-549-9982 is a Relay,electromagnetic, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-549-9982 has 1 manufacturer part number on file: 974-0461-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 974-0461-00: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.120 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 3A AND 1B AND 2C A; Main Contact Maximum Voltage Rating in Volts: 250.0 AC. 20 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.