Part Number C-991-407-18

Gaseou Pressure Equalizing Valve

Pricing & Availability

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Part Number

DEMIL

Shelf Life

UOM

NIIN

Part:

c-991-407-18

Demil:

Shelf Life:

UOM:

NIIN:

011131359

Part Information
0.H. 10.812 in. Nom., 0.D. 9.625 in. Nom., nom. Size 5.000 in.

NSN

National Stock Number:

4820-01-113-1359 4820011131359

TXT

Description:

Gaseou Pressure Equalizing Valve

INC

Item Name Code:

10958

MRC:

The basic material of which the body is fabricated.AAFZ

Body Material:

Bronze and iron

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL

Body Style:

Low or medium pressure (screwed)

MRC:

A narrative description of the type of end connection.ACKM

First End Connection Type:

Threaded internal pipe

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the end.ACKN

First End Style Designator:

Plain

MRC:

The industrial designation or term used to define the nominal diameter of the pipe the end will accommodate.ACLG

First End Pipe Size Accommodated:

5.000 inches

MRC:

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.ACLL

First End Thread Direction:

Right-hand

MRC:

The part that controls the flow through the item.ADQU

Flow Control Device:

Disk, lift

MRC:

The number of end connections included in the item.ADQZ

End Connection Quantity:

MRC:

Indicates the type of valve venting design,whether for use in a closed system or for venting to the atmosphere.AFLE

Valve Venting Design Type:

Atmospheric

MRC:

Indicates the type of valve relief design,whether for pressure or vacuum relief or for both pressure and vacuum relief.AFLF

Valve Relief Design Type:

Pressure and vacuum

Code	Definition
FN	Factory New. Parts manufactured by then OEM and includes manufacturer certification.
NE	New. Parts manufactured by the OEM. May include manufacturer certification or company certification.
NS	New Surplus. New material item purchased from excess inventory.
OH	Overhauled. Product has been rebuilt and tested in accordance with the manufacturer's specifications by a repair shop (MRO).
SV	Serviceable product.
AR	As Removed. Product removed from aircraft or platform with no guarentee on the functionality of the part.
RP	Repairable. Product can be repaired by a MRO and be given a FAA 8130 or EASA Form 1 certification.

Part Number C-991-407-18

Pricing & Availability

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