Protective Antiback Draft Valve NSN 4240-00-021-2325

Item Description

An item consisting of a metal frame, to which is attached a hinged metal flapper plate. The fluctuating flapper plate automatically regulates the pressure between the outer air locks and the atmosphere of protective shelters. Excludes draft control, flue, automatic.

NSN: 4240-00-021-2325

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Features and Characteristics

General Description

Components, angle, aluminum alloy 1, bar, aluminum alloy 2, frame, air valve 1, hinge, continuous 2, hinge, door, air valve 1, insert 2, panel, louvered 1, receptacle, turnlock fastener 2, rivet, solid 4, rivet, universal head 5, shim 1, strip, rubber, cellular 1, stud, turnlock fastener 2, washer, spring tension 2; not designed for installation in rd pipe; designed for installation in other than rd pipe, 13 in. W input opening, 13.750 in. H input opening

FSC

4240 Safety And Rescue Equipment

NIIN

000212325

NSN

4240000212325

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

10104749

Cage Code:

18876

Status:

MSDS:

Q & A

Frequently asked questions for NSN 4240-00-021-2325

What are the manufacturers of nsn 4240000212325?

U S Army Aviation And Missile (18876)

Does this nsn 4240000212325 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4240000212325
An item consisting of a metal frame, to which is attached a hinged metal flapper plate. the fluctuating flapper plate automatically regulates the pressure between the outer air locks and the atmosphere of protective shelters. excludes draft control, flue, automatic.

Does nsn 4240000212325 contain any precious metals?
Precious metal content is unknown.

Does nsn 4240000212325 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 4240000212325?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

15648

FIIG:

A23900

App. Key:

Cond. Code:

Status:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service