The Relay,electromagnetic, cataloged under National Stock Number 5945-01-129-3393, 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 26 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-129-3393 |
| Primary Part Number | B86976 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Mbda Uk Ltd |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 SLOTTED HOLE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 8.0 AMPERES AC AND 8.0 AMPERES DC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.446 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 290.0 OHMS NOMINAL SINGLE WINDING |
| Specification/standard Data | 96906-MS27400 GOVERNMENT STANDARD |
| Time Delay | 0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 2.324 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Test Data Document | 81349-MIL-R-6106 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 | 14 WIRE HOOK ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Mounting Slot Width | 0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| B86976 | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 538115-21 | 5/2 Secondary reference U.S. Government activity |
| E410-1390 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-PRF-6106 | 4/1 Identification reference U.S. Government activity |
| MIL-R-6106 | 5/9 Secondary reference U.S. Government activity |
| MS27400-21 | 2/2 Government specification standardization U.S. Government activity |
| K-J2A-003 | C/1 Advisory reference — outside the item-of-supply concept Leach International Corp Div Leach International Corporation |
| BR65-S225 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 80P228117-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5945-01-129-3393 is a Relay,electromagnetic, manufactured by Mbda Uk Ltd, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-129-3393 has 1 manufacturer part number on file: B86976 (Mbda Uk Ltd).
Key specifications for B86976: Mounting Facility Type and Quantity: 3 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 1.025 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Fragility Factor: MODERATELY RUGGED. 26 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.