The Relay,electromagnetic, cataloged under National Stock Number 5945-00-295-3158, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-295-3158 |
| Primary Part Number | K321 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 2C |
| Main Contact Maximum Voltage Rating in Volts | 50.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 6.3 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Thread Size | 0.164 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | HUMIDITY RESISTANT AND SALT SPRAY RESISTANT |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 45.0 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 |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| 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 |
|---|---|
| K321 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| K321 | 3/9 Design control — primary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5945-00-295-3158 is a Relay,electromagnetic, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-295-3158 has 1 manufacturer part number on file: K321 (L3harris Technologies, Inc. Dba Harris Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-147-2407, 5340-01-350-9825. Verify interchangeability with system specifications before substitution.
Key specifications for K321: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.250 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 2C; Main Contact Maximum Voltage Rating in Volts: 50.0 DC. 18 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.