Ventilator, Air Circulating2040-01-651-5356

NSN 2040-01-651-5356 · NIIN 016515356 · Part number 033503ASTS

Perko Inc · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 46576

Government record, cited

NSN 2040-01-651-5356 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-651-5356. Manufacturer of record part number: 033503ASTS.

Also searched as 2040-01-651-5356 · 2040016515356 · NIIN 016515356 · 01-651-5356 · FSC 2040 Marine Hardware and Hull Items · CAGE 46576 · 033503ASTS

Nearby stock numbers ← 2040-01-651-5305 Flame Arrester, Ventilation-Exhau · 2040-01-651-6227 Window, Metal →

Features

Ventilator,air Circulating — FSC 2040
Mounting Hole Quantity: 4
Vane Quantity: 3
Usage Design: SHIP
Mounting Method: SCREW
Shape: HORIZONTAL RECTANGULAR
Features Provided: NONADJUSTABLE
Material: STEEL CORROSION RESISTING

Identification

NSN: 2040-01-651-5356
NIIN: 016515356
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 033503ASTS
Manufacturer: Perko Inc

General Description

The Ventilator,air Circulating, cataloged under National Stock Number 2040-01-651-5356, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Perko Inc. Government technical data includes 8 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.

Technical Specifications

Parameter	Value
NSN	2040-01-651-5356
Primary Part Number	033503ASTS
Item Name	Ventilator,air Circulating
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Manufacturer	Perko Inc
Status	ACTIVE
Mounting Hole Quantity	4
Vane Quantity	3
Usage Design	SHIP
Mounting Method	SCREW
Shape	HORIZONTAL RECTANGULAR
Features Provided	NONADJUSTABLE
Material	STEEL CORROSION RESISTING
Mounting Hole Type	THRU HOLE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
033503ASTS PRIMARY	Perko Inc (USA)

No interchangeability data on file.

Other items in FSC 2040 — Marine Hardware and Hull Items

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

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STRAINER,INTAKE

Frequently Asked Questions

What is NSN 2040-01-651-5356?

NSN 2040-01-651-5356 is a Ventilator,air Circulating, manufactured by Perko Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-651-5356?

NSN 2040-01-651-5356 has 1 manufacturer part number on file: 033503ASTS (Perko Inc).

What are the specifications of 033503ASTS?

Key specifications for 033503ASTS: Mounting Hole Quantity: 4; Overall Height: 3.5 INCHES NOMINAL IN; Vane Quantity: 3; Usage Design: SHIP. 8 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-651-5356 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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