The Readout,altitude,trainer, cataloged under National Stock Number 6930-01-004-9172, is classified within Federal Supply Class 6930 (Operation Training Devices) of the Training Aids and Devices group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6930-01-004-9172 |
| Item Name | Readout,altitude,trainer |
| FSC / FSG | 6930 / 69 — Operation Training Devices |
| Status | ACTIVE |
| General Characteristics Item Description | DISPLAYS SIMULATED GEOMETRIC AIRCRAFT ALTITUDE IN TEN FOOT INCREMENTS,THE READOUT DOES NOT COMPUTE A GEOMETRIC ALTITUDE BELOW SEALEVEL,IF BAROMETRIC PRESSURE IS INCREASED BY ONE INCH OF MERCURY WHILETHE TRAINER IS AT SEA LEVEL,THE READOUT WILL INDICATE AN AMBIGUOUS NEGATIVE VALUE SINCE THE INTEGRATOR ISNOT CAPABLE OF COMPUTING THIS LARGE CHANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS4000BC | 3/9 Design control — primary reference U.S. Government activity |
NSN 6930-01-004-9172 is a Readout,altitude,trainer, classified under FSC 6930, Operation Training Devices. Status: active.
Key specifications for 6930-01-004-9172: General Characteristics Item Description: DISPLAYS SIMULATED GEOMETRIC AIRCRAFT ALTITUDE IN TEN FOOT INCREMENTS,THE READOUT DOES NOT COMPUTE A GEOMETRIC ALTITUDE BELOW SEALEVEL,IF BAROMETRIC PRESSURE IS INCREASED BY ONE INCH OF MERCURY WHILETHE TRAINER IS AT SEA LEVEL,THE READOUT WILL INDICATE AN AMBIGUOUS NEGATIVE VALUE SINCE THE INTEGRATOR ISNOT CAPABLE OF COMPUTING THIS LARGE CHANGE. 1 specification is 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 6930-01-004-9172 has DEMIL Code B. 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.