The Relay,electromagnetic, cataloged under National Stock Number 5945-01-152-7539, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mbda Uk Ltd. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-152-7539 |
| Primary Part Number | B77789 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Mbda Uk Ltd |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Overall Diameter | 0.370 INCHES MAXIMUM IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 100.0 MILLIAMPERES DC INDUCTIVE LOAD |
| Duty Type | INTERMITTENT |
| Winding DC Resistance Rating | 500.0 OHMS NOMINAL SINGLE WINDING |
| Time Delay | 0.002 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 16.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Test Data Document | 81349-MIL-R-39016/7 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Terminal Type and Quantity | 5 WIRE LEAD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| B77789 | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| MIL-PRF-39016/7 | 4/1 Identification reference U.S. Government activity |
| M39016/7-019L | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-39016/7 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-01-152-7539 is a Relay,electromagnetic, manufactured by Mbda Uk Ltd, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-152-7539 has 1 manufacturer part number on file: B77789 (Mbda Uk Ltd).
Key specifications for B77789: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Overall Diameter: 0.370 INCHES MAXIMUM IN; Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES DC RESISTIVE LOAD. 15 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.