The Test Set,automatic Pilot, cataloged under National Stock Number 4920-01-088-2443, 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 Avionics Specialist Inc Dba Avionics Specialist Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-088-2443 |
| Primary Part Number | ASI-183-1 |
| Item Name | Test Set,automatic Pilot |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Avionics Specialist Inc Dba Avionics Specialist Inc |
| Status | ACTIVE |
| Phase | SINGLE FIRST ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Major Components | SWITCHES,CONTROL; LAMPS,INDICATOR; JACKS,TEST; CABLE JACKS,CIRCULAR QUICK DISCONNECT; CORDS,POWER; FUSE HOLDERS; CABLES,ADAPTER |
| DC Voltage Rating | 28.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Reference Data and Literature | T.O. 33D3-4-155-1 |
| Height | 12.000 INCHES NOMINAL IN |
| Depth | 8.000 INCHES NOMINAL IN |
| Functional Description | TEST SET ACTS AS A SYSTEM SUBSSTITE FOR EACH UNIT OF THE FCS, IT PROVIDES THE SIGNAL AND POWER SWITCHING NECESSARY TO TEST THE FOUR UNITS OF THE FCS. COLLINS 971F-1 TEST SET FOR C-130 ANG ACFT AGE. |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Frequency Rating | 400.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Width | 19.000 INCHES NOMINAL IN |
| Material | ALUMINUM HOUSING |
| Test Type for Which Designed | SERVO MONITOR; AILERON SERVO AMPLIFIER; ELEVATOR SERVO AMPLIFIER; TRIM COUPLER; ELEVATOR COMPUTATIONS TESTS-BASIC PITCH FEED,DERIVED RATE,PITCH KNOB,CONTROL WHEEL STEERING,VERTICAL GUIDANCE,UP ELEVATOR; AILERON COMPUTATIONS TEST-BASIC ROLL FEED,SERVICE BULLETIN 14,BANK KNOB,CONTROL WHEEL STEEL RING,LATERAL GUIDANCE,BANK COMMAND; HEADING DATA; STATUS; PROVIDES SIGNAL POWER SWITCHING NECESSARY TO TEST FOUR UNITS OF THE FCS-105 FLIGHT CONTROL SYSTEM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ASI-183-1 PRIMARY | Avionics Specialist Inc Dba Avionics Specialist Inc (USA) |
| Reference | Meaning |
|---|---|
| 622-0213-001 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 622-2013-001 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 4920-01-088-2443 is a Test Set,automatic Pilot, manufactured by Avionics Specialist Inc Dba Avionics Specialist Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-088-2443 has 1 manufacturer part number on file: ASI-183-1 (Avionics Specialist Inc Dba Avionics Specialist Inc).
Key specifications for ASI-183-1: Phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT; AC Voltage Rating: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT; Major Components: SWITCHES,CONTROL; LAMPS,INDICATOR; JACKS,TEST; CABLE JACKS,CIRCULAR QUICK DISCONNECT; CORDS,POWER; FUSE HOLDERS; CABLES,ADAPTER; DC Voltage Rating: 28.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT. 13 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 4920-01-088-2443 has DEMIL Code Q. 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.