NSN

National Stock Number:

4820-00-762-2859 4820007622859

TXT

Description:

Safety Relief Valve

INC

Item Name Code:

05488

MRC:

The part that controls the flow through the item.ADQU

Flow Control Device:

Disk

MRC:

Indicates the type of housing on the item that accommodates the stem packing or spring.ADSR

Bonnet Type:

Exposed spring

MRC:

The means by which the bonnet is attached to the item.ADST

Bonnet Attachment Method:

Bolted

MRC:

The means of closing the item when inlet pressure decreases.ADSU

Disk Loading Method:

Spring

MRC:

Indicates the type of renewable seating ring in the item.ADZH

Renewable Seat Ring Type:

Threaded

MRC:

The number of bolt holes provided on the item.AECS

Bolt Hole Quantity:

8 1st end

MRC:

The number of bolt holes provided on the item.AECS

Bolt Hole Quantity:

9 2nd end

MRC:

The means used to control the operation of the valve.AQLR

Valve Operation Method:

Automatic

MRC:

The physical configuration of the flange.ARKN

Flange Shape:

Round with holes 1st end

MRC:

The physical configuration of the flange.ARKN

Flange Shape:

Round with holes 2nd end

MRC:

Indicates the type of connection/s/.AWLS

Connection Type:

Flange 2nd end

MRC:

Indicates the type of connection/s/.AWLS

Connection Type:

Flange 1st end

MRC:

The minimum to maximum pressures at which the item may be set to open.CQCY

Adjustable Pressure Range:

+1330.0/+1380.0 pounds per square inch

MRC:

The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.CWCD

Outside Diameter:

9.250 inches 2nd end

MRC:

The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.CWCD

Outside Diameter:

9.625 inches 1st end

MRC:

A nominal measurement of the smallest dimension of an item,in distinction from length or width.CWCK

Thickness:

0.938 inches 2nd end

MRC:

A nominal measurement of the smallest dimension of an item,in distinction from length or width.CWCK

Thickness:

1.625 inches 1st end

MRC:

The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.CWCQ

Bolt Hole Diameter:

0.812 inches 2nd end

MRC:

The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.CWCQ

Bolt Hole Diameter:

1.062 inches 1st end

MRC:

The nominal length of a straight line which passes through the center of the bolt circle,and terminates at the circumference.CWCT

Bolt Circle Diameter:

7.500 inches 1st end

MRC:

The nominal length of a straight line which passes through the center of the bolt circle,and terminates at the circumference.CWCT

Bolt Circle Diameter:

7.688 inches 2nd end

MRC:

The design of the flange face.CWDF

Flange Face Design:

Raised straight 1st end

MRC:

The design of the flange face.CWDF

Flange Face Design:

Plain 2nd end

MRC:

A nominal measurement from the bottom to the top surface of a raised face,in distinction from depth.CWDH

Raised Face Height:

0.750 inches 1st end

MRC:

The nominal length of a straight line which passes through the center of a raised face,and terminates at the circumference.CWDL

Raised Face Diameter:

6.375 inches 1st end

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Nickel alloy stem

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Nickel alloy flow control device

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Steel body

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Stainless steel seat

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL

Style Designator:

Err-090

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL

Style Designator:

Angle

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 A36558

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