The Relay,electromagnetic, cataloged under National Stock Number 5945-01-258-2134, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5945-01-258-2134 |
| Primary Part Number | GR835SS4 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Winding DC Resistance Rating | 1.56 KILOHMS NOMINAL ALL WINDINGS |
| Features Provided | POLARIZED AND COIL VOLTAGE SUPPRESSION AND LATCHING CONTACTS |
| Time Delay | 0.004 SECONDS MAXIMUM FIXED RELEASE TIME |
| Time Delay | 0.002 SECONDS MAXIMUM FIXED OPERATE TIME |
| Coil Quantity | 2 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 0.233 CUBIC INCHES |
| Winding Quantity | 2 |
| Operating Voltage Rating and Type at Specified Temp | 26.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 16 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| MA2003-1000-04 | Advanced Digital, Inc Dba Adi (USA) |
| 902-72 | Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA) |
| GR835SS4 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5945-01-258-2134 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-258-2134 has 3 manufacturer part numbers on file: MA2003-1000-04 (Advanced Digital, Inc Dba Adi), 902-72 (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/), GR835SS4 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4920-01-299-9659, 5315-01-555-7629. Verify interchangeability with system specifications before substitution.
Key specifications for GR835SS4: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.660 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Fragility Factor: MODERATELY RUGGED. 20 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.