The Window,pressure,wav, cataloged under National Stock Number 6940-00-588-3397, is classified within Federal Supply Class 6940 (Communication Training Devices) of the Training Aids and Devices group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Window,pressure,wav |
| FSC / FSG | 6940 — Communication Training Devices (FSG 69) |
| Parameter | Value |
|---|---|
| NSN | 6940-00-588-3397 |
| Item Name | Window,pressure,wav |
| FSC / FSG | 6940 / 69 — Communication Training Devices |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 583Z5088-1 | 5/9 Secondary reference U.S. Government activity |
| 583Z5088-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6940-00-588-3397 is a Window,pressure,wav, classified under FSC 6940, Communication Training Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6940-01-520-4011. Verify interchangeability with system specifications before substitution.
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 6940-00-588-3397 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.