The Cover,ventilatory, cataloged under National Stock Number 2040-01-166-0816, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-166-0816 |
| 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 |
|---|---|
| 77643-65X8 PIECE 1 | 3/2 Design control — primary reference U.S. Government activity |
| SSN637-501-2159958 PIECE 1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-01-166-0816 is a Cover,ventilatory, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-01-166-0816: Special Features: PLASTIC MIL-P-17549 GRADE 3; PEAR SHAPED CAP; 35.500 IN. O/A LG; 0.375 IN. THK WALL; 15.750 IN. H ONE END,AND TAPERED TO 8.562 IN. H ON SMALL END; 5 HOLES 0.390 IN. DIA THRU TO P OF CAP; 11 HOLES 0.281 IN. DIA AROUND OUTER SURFACE OF CAP IN. 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.