The Test Set,electronic Systems, cataloged under National Stock Number 4920-01-377-3509, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Service & Sales Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-377-3509 |
| Primary Part Number | 296178-2 |
| Item Name | Test Set,electronic Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Service & Sales Inc |
| Status | ACTIVE |
| Functional Description | USED TO FUNCTIONALLY TEST AND CALIBRATE MULTIPLE CENTRIFUGAL SWITCHES |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Test Type for Which Designed | CENTRIFUGAL SWITCHES |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 296178-2 PRIMARY | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 296178-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-377-3509 is a Test Set,electronic Systems, manufactured by Service & Sales Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-377-3509 has 1 manufacturer part number on file: 296178-2 (Service & Sales Inc).
Key specifications for 296178-2: Special Features: C/O ELECTRONIC COUNTER/DRIVE ASSY/CONTROL AND INDICATING COMPONENTS/WIRING AND ELECTRICAL CONNECTORS MOUNTED IN A STEEL CABINET; Functional Description: USED TO FUNCTIONALLY TEST AND CALIBRATE MULTIPLE CENTRIFUGAL SWITCHES; Enclosure Feature: SINGLE ITEM W/HOUSING; End Item Identification: MULTI-AIRCRAFT. 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.
NSN 4920-01-377-3509 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.