The Relay,electromagnetic, cataloged under National Stock Number 5945-01-062-2821, 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 Dba Electronic Systems. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-062-2821 |
| Primary Part Number | 990C230H02 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING SINGLE MOUNTING FACILITY |
| Overall Diameter | 2.620 INCHES MAXIMUM IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 20.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 131.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Thread Size | 1.380 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 14 TURRET ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNS 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 |
|---|---|
| 990C230H02 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| H-26 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| TB4/26 | 5/9 Secondary reference Torr Laboratories Inc |
| H-26/26.5 VDC | C/1 Advisory reference — outside the item-of-supply concept Te Connectivity Corporation |
| RB4-26-N865 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| TB4/26 | 5/9 Secondary reference Omega Laboratories Inc |
NSN 5945-01-062-2821 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-062-2821 has 2 manufacturer part numbers on file: 990C230H02 (Northrop Grumman Systems Corporation Dba Electronic Systems), H-26 (Te Connectivity Corporation).
Key specifications for 990C230H02: Mounting Facility Type and Quantity: 1 THREADED BUSHING SINGLE MOUNTING FACILITY; Overall Diameter: 2.620 INCHES MAXIMUM IN; Main Contact Load Current Rating at Maximum Rated Voltage: 20.0 AMPERES DC RESISTIVE LOAD; Duty Type: CONTINUOUS. 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.