The Relay,electromagnetic, cataloged under National Stock Number 5945-00-964-7678, 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 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5945-00-964-7678 |
| Primary Part Number | PR3AY120V50-60HZ |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| FSC Application Data | RELAY ARMATURE EXCEPT ENGINE |
| Main Contact Maximum Voltage Rating in Volts | 230.0 AC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 6.5 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 290.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE 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 |
|---|---|
| PR3AY120V50-60HZ PRIMARY | Te Connectivity Corporation (USA) |
| 990C226H01 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| PR3AY-120 | Te Connectivity Corporation (USA) |
| 1327400 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
NSN 5945-00-964-7678 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-964-7678 has 4 manufacturer part numbers on file: PR3AY120V50-60HZ (Te Connectivity Corporation), 990C226H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), PR3AY-120 (Te Connectivity Corporation), 1327400 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-051-7956. Verify interchangeability with system specifications before substitution.
Key specifications for PR3AY120V50-60HZ: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.280 INCHES NOMINAL IN; FSC Application Data: RELAY ARMATURE EXCEPT ENGINE; Main Contact Maximum Voltage Rating in Volts: 230.0 AC. 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.