The Relay,electromagnetic, cataloged under National Stock Number 5945-01-138-5527, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5945-01-138-5527 |
| Primary Part Number | 78875 PART 99D0260MOD205D202 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 30.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Thread Direction | RIGHT-HAND SINGLE MOUNTING FACILITY |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Time Delay | 30.00 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 18.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 5 WIRE HOOK ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| 78875 PART 99D0260MOD205D202 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| 1671-A-3002 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1671-A-3002 | 5/9 Secondary reference Hi-G Co Inc Sub of Nytronics Inc |
| 1671-A-3002 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-01-138-5527 is a Relay,electromagnetic, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-138-5527 has 2 manufacturer part numbers on file: 78875 PART 99D0260MOD205D202 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 1671-A-3002 (Te Connectivity Corporation).
Key specifications for 78875 PART 99D0260MOD205D202: Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.438 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 30.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 19 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.