# NSN 4920-01-477-1979: Test Set, Flight Control System

NSN 4920-01-477-1979 (also written 4920014771979; NIIN 01-477-1979) is a test set, flight control system in Federal Supply Class 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4920-01-477-1979 (4920014771979)
- NIIN: 01-477-1979 (014771979)
- Item name: TEST SET,FLIGHT CONTROL SYSTEM
- Federal Supply Class: [FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment](https://nsnexplorer.com/fsc/4920/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | C-130 ACFT,CARGO TRANSPORT |
| AQXY | TEST TYPE FOR WHICH DESIGNED | CALIBRATE PITCH/YAW MODULE |
| CRTL | CRITICALITY CODE JUSTIFICATION | AGAV |
| FEAT | SPECIAL FEATURES | USED TO CALIBRATE AND TEST THE PITCH/YAW ADJUSTMENT MODULE AND TO SET VOLTAGES FOR THE HUD BORESCOPE |
| RDAL | REFERENCE DATA AND LITERATURE | SERD NO 1863 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3404040-1 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4920014771979&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4920014771979
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4920-01-477-1979/
JSON: https://nsnexplorer.com/api/nsn/4920-01-477-1979.json