The Mounting Fixture,selector Valve, cataloged under National Stock Number 4920-01-178-9129, 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 Enjet Aero Dayton Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-178-9129 |
| Primary Part Number | 0003-86-0019 |
| Item Name | Mounting Fixture,selector Valve |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Enjet Aero Dayton Inc |
| Status | ACTIVE |
| General Characteristics Item Description | REQUIRED TO FUNCTIONALLY TEST THE EMERGENCY PRESSURE SELECTOR VALVE HYDRAULICALLY,ELECTRICALLY AND MECHANICALLY AT INTERMEDIATE LEVEL OF MAINTENANCE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0003-86-0019 PRIMARY | Enjet Aero Dayton Inc (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-1016 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 4920-01-178-9129 is a Mounting Fixture,selector Valve, manufactured by Enjet Aero Dayton Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-178-9129 has 1 manufacturer part number on file: 0003-86-0019 (Enjet Aero Dayton Inc).
Key specifications for 0003-86-0019: General Characteristics Item Description: REQUIRED TO FUNCTIONALLY TEST THE EMERGENCY PRESSURE SELECTOR VALVE HYDRAULICALLY,ELECTRICALLY AND MECHANICALLY AT INTERMEDIATE LEVEL OF MAINTENANCE; End Item Identification: B-1B ACFT AGE.. 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.
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.