The Test Set,electronic Systems, cataloged under National Stock Number 4920-01-178-7645, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-178-7645 |
| Primary Part Number | 75A65000 |
| Item Name | Test Set,electronic Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Reference Data and Literature | TO 8C3-16-14-8-1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 75A65000 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| 75A65000-001 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
| R-TBD-900 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 4920-01-178-7645 is a Test Set,electronic Systems, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-178-7645 has 1 manufacturer part number on file: 75A65000 (The Boeing Company Div Legacy Am&m).
Key specifications for 75A65000: Reference Data and Literature: TO 8C3-16-14-8-1; Special Features: TEST SET,ROTARY LAUNCHER DRIVE;PROVIDES NORMAL AND ALTERNATE POSITION INDICATOR DEVICE SIGNALS;ELECTRICAL MULTIPLEX SIGNALS;CENTRAL INTERFRATED TEST SYSTEM SIGNALS;AEROSPACE GROUND EQUIPMENT SIGNAL PROCESSING ASSISTS IN IDENTIFYING MALFUNCTIONS AND REPAIR VERIFICATION;POWER SOURCE FOR THE ELECTRONIC CONTROLLER ASSY;36.0 IN LG;36.0 IN W;24.0 IN H IN; End Item Identification: B-1B ACFT ROTARY LAUNCHER DRIVE GEARBOX CONTROLLER NR52005-03H. 1 specification is 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 4920-01-178-7645 has DEMIL Code C. 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.