The Slat,louvered Vent,marine, cataloged under National Stock Number 2040-01-683-4305, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Federal Equipment Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Slat,louvered Vent,marine |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Federal Equipment Co (CAGE 60587) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-683-4305 |
| Primary Part Number | HD9087 |
| Item Name | Slat,louvered Vent,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Federal Equipment Co |
| 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 |
| Part Number | Manufacturer |
|---|---|
| HD9029 REV F FIND NO. 8 | Federal Equipment Co (USA) |
| HD9087 PRIMARY | Federal Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| HD9029 | D/9 Drawing number reference only Federal Equipment Co |
NSN 2040-01-683-4305 is a Slat,louvered Vent,marine, manufactured by Federal Equipment Co, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-683-4305 has 2 manufacturer part numbers on file: HD9029 REV F FIND NO. 8 (Federal Equipment Co), HD9087 (Federal Equipment Co).
2 possible matches (shared part number, not a government interchangeability claim): 2040-01-683-4306, 2040-01-683-4311. 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.
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.