The Relay,thermal, cataloged under National Stock Number 5945-00-255-7167, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amperite Co Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-255-7167 |
| Primary Part Number | 6N090 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Amperite Co Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Heater Voltage Rating in Volts | 6.0 |
| Contact Maximum Current Rating in Amps | 10.0 AC |
| Environmental Protection | HUMIDITY PROOF |
| 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 |
|---|---|
| 6N090 PRIMARY | Amperite Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 567533 | 5/9 Secondary reference Stewart-Warner Corporation |
| A5179AREVA | 5/9 Secondary reference Cooper Wheelock, Inc. |
NSN 5945-00-255-7167 is a Relay,thermal, manufactured by Amperite Co Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-255-7167 has 1 manufacturer part number on file: 6N090 (Amperite Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5945-00-257-8875. Verify interchangeability with system specifications before substitution.
Key specifications for 6N090: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 1.688 INCHES NOMINAL IN; Contact Maximum Voltage Rating in Volts: 115.0 AC; Contact Arrangement: SINGLE POLE, DOUBLE THROW. 6 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.