The Relay,electromagnetic, cataloged under National Stock Number 5945-00-237-3221, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Aviation Products, Inc. Dba L3 Technologies. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-237-3221 |
| Primary Part Number | 891053 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L3 Aviation Products, Inc. Dba L3 Technologies |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 8A AND 2C A |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 75.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Time Delay | 0.015 SECONDS NOMINAL FIXED OPERATE TIME |
| Time Delay | 0.01 SECONDS NOMINAL FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 117.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Terminal Type and Quantity | 24 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 |
|---|---|
| A-39477 | Te Connectivity Corporation (USA) |
| 891053 PRIMARY | L3 Aviation Products, Inc. Dba L3 Technologies (USA) |
| Reference | Meaning |
|---|---|
| A-39477 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| A-39477 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-00-237-3221 is a Relay,electromagnetic, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-237-3221 has 2 manufacturer part numbers on file: A-39477 (Te Connectivity Corporation), 891053 (L3 Aviation Products, Inc. Dba L3 Technologies).
Key specifications for 891053: Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 4.062 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 8A AND 2C A; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 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.