The Contact Set,interrupter, cataloged under National Stock Number 5945-00-674-8490, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-674-8490 |
| Item Name | Contact Set,interrupter |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Contact Type | BUTTON |
| Contact Quantity | 2 |
| Accessory Components and Quantity | BRACKET ASSEMBLY 1,CONTACT ARM ASSEMBLY 1,NUT 2,RETAINER RING 1,WASHER 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 101952 | 5/2 Secondary reference U.S. Government activity |
| CS749 | 3/9 Design control — primary reference Echlin Inc |
NSN 5945-00-674-8490 is a Contact Set,interrupter, classified under FSC 5945, Relays and Solenoids. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5910-00-974-5745, 1650-01-170-1210. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-00-674-8490: Contact Type: BUTTON; Contact Quantity: 2; Accessory Components and Quantity: BRACKET ASSEMBLY 1,CONTACT ARM ASSEMBLY 1,NUT 2,RETAINER RING 1,WASHER 1. 3 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.