The Relay,electromagnetic, cataloged under National Stock Number 5945-00-189-8640, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-189-8640 |
| Primary Part Number | A12808 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 1C |
| Main Contact Maximum Voltage Rating in Volts | 50.0 AC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES AC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 300.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Thread Size | 0.125 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.594 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| A12808 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| RA2A3 | 5/9 Secondary reference International Jensen Inc |
| A12808 | 5/9 Secondary reference Te Connectivity Corporation |
| A12808 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| 452-1086 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
NSN 5945-00-189-8640 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-189-8640 has 1 manufacturer part number on file: A12808 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-951-7181. Verify interchangeability with system specifications before substitution.
Key specifications for A12808: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.180 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 1C; Main Contact Maximum Voltage Rating in Volts: 50.0 AC. 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.