The Cover,ventilatory, cataloged under National Stock Number 2040-01-306-6397, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-306-6397 |
| Item Name | Cover,ventilatory |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| D5-19-9217 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-01-306-6397 is a Cover,ventilatory, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-01-306-6397: Special Features: MATERIAL IS ALUMINUM ALLOY SHEETING,5052-H34,0.063 IN. NOMINAL STOCK THICKNNESS;ITEM INCLUDES DIFFUSER E5-19-9217-1;4 TABS E5-19-9217-2;HINGE MS35825-16A;OVERALL LENGTH 23.312 IN.;OVERALL WIDTH 19.560 IN.;5 HOLES,0.205 IN. DIA.;2 HOLES,0.187 IN. DIA.;4 HOLES,0.249 IN. DIA.;255 HOLES,0.125 IN. DIA. A; End Item Identification: ENTRANCE,PROTECTIVE,EXTERNAL,S250,M19. 0 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.
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.