The Test Stand,hydraulic System Comp, cataloged under National Stock Number 4920-01-371-7871, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-371-7871 |
| Item Name | Test Stand,hydraulic System Comp |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| FSC Application Data | E-8A ACFT AGE. A |
| Pressure Rating | 3100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Usage Design | AIRCRAFT HYDRAULIC SYSTEM |
| Relationship to Similar Equipment | 4920-00-104-7838 |
| Supplementary Features | TRAILER MOUNTED CABINET WITH 4 APPX 10 INCH WHEELS IN |
| Filtering System | INCLUDED |
| Reference Data and Literature | SERD NO. 1328 |
| Hydraulic Fluid Flow Rate | 50.0 GALLONS PER MINUTE |
| Functional Classification | GG-8.4 |
| Functional Description | DESIGNED TO PROVIDE A SOURCE OF HYD POWER UP TO 50 GPM AT 3100 PSIG WITH OPEN OR CLOSED LOOP OPERATION. USED TO OPERATE ACFT HYD SYS (SKYFROL) W/O RUNNING ENGINE PUMPS TO TEST THE LANDING GEAR AND CONTROL SYS; USED ALSO TO DRAIN,FLUSH,FILL,OR DEAERATE THE HYD SYSTEM |
| Installation Design | PORTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 9780-0351 | C/1 Advisory reference — outside the item-of-supply concept Testek Llc Dba Testek Solutions |
| 9780-0032D | 3/9 Design control — primary reference Aai Corporation Div Mississippi Operations |
| 9780-0032D | C/1 Advisory reference — outside the item-of-supply concept Testek Llc Dba Testek Solutions |
NSN 4920-01-371-7871 is a Test Stand,hydraulic System Comp, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-371-7871: FSC Application Data: E-8A ACFT AGE. A; Pressure Rating: 3100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Usage Design: AIRCRAFT HYDRAULIC SYSTEM; Relationship to Similar Equipment: 4920-00-104-7838. 11 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 4920-01-371-7871 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.