The Relay,electromagnetic, cataloged under National Stock Number 5945-00-549-9968, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 14 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 | 5945-00-549-9968 |
| Primary Part Number | MH1688 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 1A1C |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 250.0 DC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC AND 250.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | INTERMITTENT |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 1.0 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 10.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 7 PIN ALL FUNCTIONS |
| 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 |
|---|---|
| MH1688 PRIMARY | Te Connectivity Corporation (USA) |
NSN 5945-00-549-9968 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-549-9968 has 1 manufacturer part number on file: MH1688 (Te Connectivity Corporation).
Key specifications for MH1688: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.430 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 1A1C; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 250.0 DC. 14 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.