The Adapter Assembly,interface Devic, cataloged under National Stock Number 4920-01-008-2551, 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 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-008-2551 |
| Item Name | Adapter Assembly,interface Devic |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Unpackaged Unit Length | 16.000 INCHES NOMINAL IN |
| Supplementary Features | COMPANY NAME-TEST ADAPTER VALVE, ASSEMBLY |
| Reference Data and Literature | SERD NO. 1949 |
| Unpackaged Unit Width | 12.000 INCHES NOMINAL IN |
| Unpackaged Unit Height | 6.000 INCHES NOMINAL IN |
| Functional Description | USED TO PROVIDE AN INTERFACE BETWEEN THE AILERON SERVOCYLINDER MANIFOLD AND THE VALVE ASSY, AND MEASUREMENT OF FLOW, PRESSURE AND LEAKAGE THROUGH THE ASSY AT VARIOUS POSITIONS OF THE VALVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2184000F113 | 3/2 Design control — primary reference U.S. Government activity |
| CD30A1533-364 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4920-01-008-2551 is a Adapter Assembly,interface Devic, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-008-2551: Unpackaged Unit Length: 16.000 INCHES NOMINAL IN; Supplementary Features: COMPANY NAME-TEST ADAPTER VALVE, ASSEMBLY; Reference Data and Literature: SERD NO. 1949; Unpackaged Unit Width: 12.000 INCHES NOMINAL IN. 6 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.
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.