The Conduit Assembly,metal,flexible, cataloged under National Stock Number 5975-00-897-5540, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is De Havilland Parts & Aerostructures Limited Div Field Aviation. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-897-5540 |
| Primary Part Number | C4E1645-5 |
| Item Name | Conduit Assembly,metal,flexible |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | De Havilland Parts & Aerostructures Limited Div Field Aviation |
| Status | ACTIVE |
| FSC Application Data | ENGINE IGNITION HARNESS ASSY,ACFT |
| Measuring Method and Length | 86.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 3.750 INCHES IN |
| Terminal End Type | PLAIN FERRULE W/COUPLING NUT BOTH ENDS |
| Features Provided | OUTER COVERING |
| Braided Metallic Shield Type | ALUMINUM WIRE |
| Trade Size | 0.375 |
| Material | RUBBER SYNTHETIC OUTER COVERING |
| Material | ALUMINUM ALLOY BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C4E1645-5 PRIMARY | De Havilland Parts & Aerostructures Limited Div Field Aviation (CAN) |
| Reference | Meaning |
|---|---|
| C4E1645-5 | 5/9 Secondary reference De Havilland Inc |
| C4E1645-5 | 5/9 Secondary reference De Havilland Aircraft of Canada Limited |
NSN 5975-00-897-5540 is a Conduit Assembly,metal,flexible, manufactured by De Havilland Parts & Aerostructures Limited Div Field Aviation, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-897-5540 has 1 manufacturer part number on file: C4E1645-5 (De Havilland Parts & Aerostructures Limited Div Field Aviation).
Key specifications for C4E1645-5: FSC Application Data: ENGINE IGNITION HARNESS ASSY,ACFT; Measuring Method and Length: 86.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 3.750 INCHES IN; Terminal End Type: PLAIN FERRULE W/COUPLING NUT BOTH ENDS. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.