The Relay,electromagnetic, cataloged under National Stock Number 5945-00-992-6401, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-992-6401 |
| Primary Part Number | 9978092 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 31.0 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 5 PIN 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 |
|---|---|
| 9978092 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 900034 | 3/9 Design control — primary reference U.S. Government activity |
| A31753 | 5/9 Secondary reference U.S. Government activity |
| 1113S208 | 5/9 Secondary reference Hi-G Co Inc Sub of Nytronics Inc |
NSN 5945-00-992-6401 is a Relay,electromagnetic, manufactured by Us Army Aviation and Missile Command, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-992-6401 has 1 manufacturer part number on file: 9978092 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 5945-01-514-7164, 2540-01-587-8819. Verify interchangeability with system specifications before substitution.
Key specifications for 9978092: Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 1.370 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 31.0 DC; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 16 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.