The Relay,electromagnetic, cataloged under National Stock Number 5945-00-170-5885, 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 Support Services Corp. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-170-5885 |
| Primary Part Number | 128C802H01 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 120.0 DC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Precious Material | SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC AND 500.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.190 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Thread Direction | RIGHT-HAND SINGLE MOUNTING FACILITY |
| Nominal Operating Current Rating and Type | 3.2 AMPERES AC SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Surface Treatment | CADMIUM CONTACT |
| Environmental Protection | HERMETIC |
| Precious Material and Location | CONTACTS SILVER |
| Winding Quantity | 1 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.940 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Material | SILVER CONTACT |
| Terminal Type and Quantity | 8 WIRE HOOK ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 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 |
|---|---|
| TSH-1641 | National Patent Analytical Systems, Inc (USA) |
| 128C802H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 128C802H01 | 3/9 Design control — primary reference U.S. Government activity |
| TSH-1641 | 5/9 Secondary reference Precision Switching Inc |
| MH91155 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-00-170-5885 is a Relay,electromagnetic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-170-5885 has 2 manufacturer part numbers on file: TSH-1641 (National Patent Analytical Systems, Inc), 128C802H01 (Northrop Grumman Support Services Corp).
Key specifications for 128C802H01: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.940 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 120.0 DC; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY. 23 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.