The Test Set,air Data, cataloged under National Stock Number 4920-01-106-3343, 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 2 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-106-3343 |
| Item Name | Test Set,air Data |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | AN/GSM-291 |
| Reference Data and Literature | T.O.33D9-61-71-4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 220-12500 | 5/9 Secondary reference U.S. Government activity |
| 220-12500-101 | 5/9 Secondary reference U.S. Government activity |
| 220-12500-104 | 3/2 Design control — primary reference U.S. Government activity |
| 220-12500-103 | 5/9 Secondary reference U.S. Government activity |
| AN/GSM-291 | 5/2 Secondary reference U.S. Government activity |
NSN 4920-01-106-3343 is a Test Set,air Data, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-106-3343: General Characteristics Item Description: AN/GSM-291; Reference Data and Literature: T.O.33D9-61-71-4; Special Features: TEST SET,AIR DATA;C/O AC POWER CONTROL 1; AIR DATA DRYER 1;VACUUM PUMP 1; INTERCONNECTING CABLES 3; 115/208 VAC; 60HZ; 3PHASE; 63.7 IN LG; 43.0 IN W; 31.0 IN H;RACK MTD W/CASTERS; PROVIDES STATIC AND PILOT PRESSURE STIMULI,PROGRAMMABLE STATIC AND PITOT PRESSURES AND CAPABILITY TO PREFORM A LEAK RATE TEST VAC; End Item Identification: B52 AIR LAUNCH CRUISE MISSLE. 2 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 4920-01-106-3343 has DEMIL Code D. 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.