The Damper,ventilation, cataloged under National Stock Number 2040-01-520-3313, 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and Hull Items) of the Ship and Marine Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2040-01-520-3313 |
| Item Name | Damper,ventilation |
| 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 |
|---|---|
| 32222-1 | D/9 Drawing number reference only Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating |
| MRVC-5185 34" | 3/9 Design control — primary reference Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating |
NSN 2040-01-520-3313 is a Damper,ventilation, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-01-520-3313: Overall Length: 57.000 INCHES NOMINAL IN; Special Features: DAMPER HAS INSIDE DIAMETER OF 34"; SOLENOID ACTUATOR AND MANUAL OVERRIDE; OVERALL BODY CONSTRUCTION MATERIAL IS STEEL; Part Name Assigned by Controlling Agency: MARINE DAMPER. 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.