The Test Stand,hydraulic System Comp, cataloged under National Stock Number 4920-01-056-3111, 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 Testek Llc Dba Testek Solutions. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-056-3111 |
| Primary Part Number | 9780-0129 |
| Item Name | Test Stand,hydraulic System Comp |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Phase | THREE |
| Current Type | AC |
| Usage Design | AIRCRAFT HYDRAULIC SYSTEM |
| Drive Type | ELECTRIC MOTOR |
| Reference Data and Literature | SERD NO. 45002 |
| Voltage in Volts | 380.0 |
| Functional Classification | GG-7.3 |
| Functional Description | USED TO PERFORMANCE TEST HYDRAULICS SYSTEMS ON AIRCRAFT |
| 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 |
|---|---|
| 9780-0129 | Testek Llc Dba Testek Solutions (USA) |
| Reference | Meaning |
|---|---|
| 9780-0129 | 5/9 Secondary reference Aai Corporation Div Mississippi Operations |
| T.O.33A2-2-30-94 | 5/9 Secondary reference U.S. Government activity |
| MK3A-3 | 3/9 Design control — primary reference U.S. Government activity |
| MK3A-380/460V 50/60HZ | 5/9 Secondary reference U.S. Government activity |
NSN 4920-01-056-3111 is a Test Stand,hydraulic System Comp, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-056-3111 has 1 manufacturer part number on file: 9780-0129 (Testek Llc Dba Testek Solutions).
Key specifications for 9780-0129: Phase: THREE; Current Type: AC; Usage Design: AIRCRAFT HYDRAULIC SYSTEM; Drive Type: ELECTRIC MOTOR. 8 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 4920-01-056-3111 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.