The Relay,electromagnetic, cataloged under National Stock Number 5945-01-254-0593, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-254-0593 |
| Primary Part Number | HM-6A |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Overall Diameter | 0.370 INCHES MAXIMUM IN |
| 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 | 100.0 OHMS NOMINAL SINGLE WINDING |
| Time Delay | 0.003 SECONDS MAXIMUM FIXED RELEASE TIME |
| Time Delay | 0.004 SECONDS MAXIMUM FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 0.030 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 6.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 WIRE LEAD 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 |
|---|---|
| HM-6A PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| CAW-6 | 5/9 Secondary reference Hi-G Co Inc Sub of Nytronics Inc |
| HM-6A | 5/9 Secondary reference Te Connectivity Corporation |
| 4500-00-0016 | 5/9 Secondary reference Wavetek U S Inc Div of Wavetek Corp |
NSN 5945-01-254-0593 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-254-0593 has 1 manufacturer part number on file: HM-6A (Te Connectivity Corporation).
Key specifications for HM-6A: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Fragility Factor: MODERATELY RUGGED; Arc Quenching Method: AIR. 19 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.