The Adapter,cable Breakout, cataloged under National Stock Number 4920-01-299-3555, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-299-3555 |
| Item Name | Adapter,cable Breakout |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Test Item Connection Method | CABLE |
| Supplementary Features | C/O TWO 128 PIN CIRCULAR CONNECTORS,128 SWITCH ASSEMBLIES,256 TEST POINTS AND RESISTOR NETWORK |
| Reference Data and Literature | TO 1C-17A-4-4 A |
| Functional Description | USED TO FAULT ISOLATE BY "BREAKING INTO" THE ELECTRICAL CONNECTORS OF THE DEVICE AND PROVIDING A MEANS TO ACCESS THE INDIVIDUAL ELECTRICAL CONDUCTORS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17G410521-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-299-3555 is a Adapter,cable Breakout, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-299-3555: Test Item Connection Method: CABLE; Supplementary Features: C/O TWO 128 PIN CIRCULAR CONNECTORS,128 SWITCH ASSEMBLIES,256 TEST POINTS AND RESISTOR NETWORK; Reference Data and Literature: TO 1C-17A-4-4 A; Functional Description: USED TO FAULT ISOLATE BY "BREAKING INTO" THE ELECTRICAL CONNECTORS OF THE DEVICE AND PROVIDING A MEANS TO ACCESS THE INDIVIDUAL ELECTRICAL CONDUCTORS. 4 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.
NSN 4920-01-299-3555 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.