The Relay,electromagnetic, cataloged under National Stock Number 5945-01-138-3185, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-138-3185 |
| Primary Part Number | PRDA11AYB-120V |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Nonpile-Up Auxiliary Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 277.0 AC AND 28.0 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Precious Material | SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 25.0 AMPERES AC AND 25.0 AMPERES DC 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 |
| Auxiliary Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC RESISTIVE LOAD |
| Coil Quantity | 1 |
| Precious Material and Location | CONTACTS SILVER |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Material | SILVER CONTACT |
| Terminal Type and Quantity | 11 QUICK DISCONNECT, MALE ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Auxiliary Contact Maximum Voltage Rating in Volts | 120.0 AC |
| 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 |
|---|---|
| PRDA11AYB-120V PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| PR11AQ-120V | 5/9 Secondary reference Te Connectivity Corporation |
| PRDA11AYQ-120V | 5/9 Secondary reference Te Connectivity Corporation |
| 302-21T1S1 | 5/2 Secondary reference U.S. Government activity |
| STD-1207 | 5/9 Secondary reference Basic American Inc |
| 302-21T1S1 | 5/9 Secondary reference Midland-Ross Corp Midtex Div |
NSN 5945-01-138-3185 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-138-3185 has 1 manufacturer part number on file: PRDA11AYB-120V (Te Connectivity Corporation).
Key specifications for PRDA11AYB-120V: Nonpile-Up Auxiliary Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.350 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 277.0 AC AND 28.0 DC. 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.