The Relay,electromagnetic, cataloged under National Stock Number 5945-00-549-9772, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is C P Clare Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-549-9772 |
| Primary Part Number | 616660-61 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | C P Clare Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 1B2C1A AND 2C2A |
| Main Contact Maximum Voltage Rating in Volts | 50.0 AC AND 50.0 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | INTERMITTENT |
| Winding DC Resistance Rating | 500.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 30.0 MILLIAMPERES DC SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | FUNGUS RESISTANT AND SHOCK RESISTANT AND WATER RESISTANT |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 29.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 22 PIN ALL FUNCTIONS |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| G616660 | C P Clare Corporation (USA) |
| 616660-61 PRIMARY | C P Clare Corporation (USA) |
| Reference | Meaning |
|---|---|
| GA50711L61 | 5/9 Secondary reference At and T Corp |
| GA50711L61 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| A80878 | 5/9 Secondary reference U.S. Government activity |
| L2 G616660 | 5/9 Secondary reference At and T Corp |
| G616660 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| 616660-61 | 3/9 Design control — primary reference Cp Clare Corp North American Sales Operations |
NSN 5945-00-549-9772 is a Relay,electromagnetic, manufactured by C P Clare Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-549-9772 has 2 manufacturer part numbers on file: G616660 (C P Clare Corporation), 616660-61 (C P Clare Corporation).
Key specifications for 616660-61: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.870 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 1B2C1A AND 2C2A; Main Contact Maximum Voltage Rating in Volts: 50.0 AC AND 50.0 DC. 17 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.