The Cover,ventilatory, cataloged under National Stock Number 4140-01-680-3333, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is West Marine Products, Inc. Div Government Sales. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-680-3333 |
| Primary Part Number | 337390-1WM |
| Item Name | Cover,ventilatory |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | West Marine Products, Inc. Div Government Sales |
| Status | ACTIVE |
| Grille Fin Type | FIXED HORIZONTAL |
| Shape | RECTANGULAR |
| Frame Type | CHANNEL |
| Grille Bar Position | HORIZONTAL |
| Frame Removability | NONREMOVABLE |
| Material | PLASTIC |
| 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 |
|---|---|
| 337390-1WM PRIMARY | West Marine Products, Inc. Div Government Sales (USA) |
NSN 4140-01-680-3333 is a Cover,ventilatory, manufactured by West Marine Products, Inc. Div Government Sales, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-680-3333 has 1 manufacturer part number on file: 337390-1WM (West Marine Products, Inc. Div Government Sales).
Key specifications for 337390-1WM: Overall Height: 4.875 INCHES NOMINAL IN; Grille Fin Type: FIXED HORIZONTAL; Shape: RECTANGULAR; Overall Width: 5.5 INCHES NOMINAL IN. 6 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.