The Test Station,pneumatic System Co, cataloged under National Stock Number 4920-01-256-4294, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-256-4294 |
| Primary Part Number | 3791500-1 |
| Item Name | Test Station,pneumatic System Co |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Reference Data and Literature | 33D7-25-38-1 |
| Functional Classification | A9.3 |
| Functional Description | TEST STAND ASSY IS DESIGNED TO AID IN CHECKING THE OPERATION OF ELECTRO-MECHANICAL OPERATED PNEUMATIC VALVES. THE VALVE TEST CONSOLE PROVIDES A SINGLE POINT FROM WHICH TO CONTROL TEST FACILITY COMPONENTS AND TO MONITOR OPERATING PARAMETERS |
| 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 |
|---|---|
| 3791500-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3791500-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-01-256-4294 is a Test Station,pneumatic System Co, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-256-4294 has 1 manufacturer part number on file: 3791500-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3791500-1: Reference Data and Literature: 33D7-25-38-1; Functional Classification: A9.3; Special Features: ELECTRICAL INSTRUMENT PANEL; 0.0 TO 300.0 PSIG PRESSURE GAGE PANEL ASSY,0.0 T0 160.0 PSIG PRESSURE GAGE PANEL ASSY; DIFFERENTIAL MERCURY PRESSURE GAGE PANEL ASSY; DIFFERENTIAL WATER PRESSURE GAGE ASSY; VALVE TEST HOLDER SUPPORT; MISC PRESSURE GAGES; MEASURING SECTIONS,REGULATOR AND PRESSURE GAGES CONNECTION PANEL ASSY; CONSOLE SWITCH PANEL ASSY; ELECTRICAL CONNECTION PANEL; CABINET ASSY; 220.0 VAC,400.0 HZ,3 PHASE,10 AMP VAC; Functional Description: TEST STAND ASSY IS DESIGNED TO AID IN CHECKING THE OPERATION OF ELECTRO-MECHANICAL OPERATED PNEUMATIC VALVES. THE VALVE TEST CONSOLE PROVIDES A SINGLE POINT FROM WHICH TO CONTROL TEST FACILITY COMPONENTS AND TO MONITOR OPERATING PARAMETERS. 3 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.