The Trainer,telegraphic Code, cataloged under National Stock Number 6940-00-939-5988, is classified within Federal Supply Class 6940 (Communication Training Devices) of the Training Aids and Devices group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6940-00-939-5988 |
| Item Name | Trainer,telegraphic Code |
| FSC / FSG | 6940 / 69 — Communication Training Devices |
| Status | ACTIVE |
| Component Name | DRIVE MOTOR,REWINDMOOTOR,TONE OSCLLATOR,TONE AMPLIFIER,MAJOR POWER SUPPLY,MINOR POWER SUPPLY,KEYING HEAD,KEYING RELAY |
| Component Quantity | 1 |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Component Identifying Number | TYPE MZAA-15-110,G2KE198-11088A60SC,8A6 AMP,8A6MIPS,8A6KH,8A6KR |
| Training Equipment Coverage | UNLIMITED |
| Alternating Current Voltage Rating in Volts | 105.0 OR 120.0 |
| Alternating Current Usage | REQUIRED |
| Power Source | AC |
| Component Controlling Agency | BARBER COLEMAN,AUTOMATIC TELEGRAPH KEYER CORP |
| Training Phase | AUDIBLE RECEPTION OF TELEGRAPHIC CODES SIGNALS,VISUAL RECEPTION OF TELEGRAPHIC CODE |
| Case | PROVIDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 8A6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6940-00-939-5988 is a Trainer,telegraphic Code, classified under FSC 6940, Communication Training Devices. Status: active.
Key specifications for 6940-00-939-5988: Component Name: DRIVE MOTOR,REWINDMOOTOR,TONE OSCLLATOR,TONE AMPLIFIER,MAJOR POWER SUPPLY,MINOR POWER SUPPLY,KEYING HEAD,KEYING RELAY; Component Quantity: 1; Phase: SINGLE; Frequency in Hertz: 60.0. 12 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 6940-00-939-5988 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.