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NSN: 4820-00-001-6202
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Part Numbers

Item Number Item Description
B9690044S Valve, Regulating, Fluid Pressure
1PD11F2-9S Valve, Regulating, Fluid Pressure
636-1-8302 Valve, Regulating, Fluid Pressure

Master Requirement Codes

Code Translation
ADQZ The number of end connections included in the item.
AAFZ The basic material of which the body is fabricated.
AAQL The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
ADQR The center to center distance.
AEWF An indication of whether or not a filter is included.
ACKM A narrative description of the type of end connection.
ACKN The style designation indicating the configuration that most nearly corresponds to the appearance of the end.
ACLL 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.
ACLJ Designates the thread diameter, series/type, and number of threads per specific measurement scale.
ADQU The part that controls the flow through the item.
ADZJ The means other than the end connection/s/ by which the item may be mounted.
AEVN Indicates the basic design type used for regulating the item.
ADZH Indicates the type of renewable seating ring in the item.
ACSH The element, compound, or mixture of which the seating surfaces are fabricated.
ACLR Indicates whether or not the second end is identical to the first end.
ABEP The element, compound, or mixture of which the stem is fabricated, excluding any surface treatment.
AZKQ A value which expresses the degree of heat or cold as applied to the operation, or limitation of operation, of an item.
ACMX Indicates whether or not the third end is identical with first or second end.
AEVR The means of providing resistance to the media passing through a valve, whereby the valve is actuated to regulate the flow.
AEVQ The seat design of the valve stem.

B9690044S Fluid Pressure Regulating Valve

Cage 37871

Technical Definition

Valve, Regulating, Fluid Pressure, also referenced with federal logistics item name code 27565 - A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. it is designed for use with compressed gas(es) and various liquids and may include gauges. it may be inline or cartridge (manifold) design. excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Technical Characteristics

End Connection Quantity (ADQZ):
Body Material (AAFZ):
Body Style (AAQL):
Tee angle
Center To Center Distance (ADQR):
1.250 inches nominal
Filter (AEWF):
Not included
First End Connection Type (ACKM):
Threaded internal pipe
First End Style Designator (ACKN):
First End Thread Direction (ACLL):
First End Thread Size And Series/type Designator (ACLJ):
1/4-16 un
Flow Control Device (ADQU):
Mounting Facility (ADZJ):
Regulation Type (AEVN):
Automatic single stage
Renewable Seat Ring Type (ADZH):
Any acceptable
Seat Material (ACSH):
Second End Relationship With First End (ACLR):
Stem Material (ABEP):
Temp Rating (AZKQ):
200.0 deg fahrenheit nominal
Third End Relationship With Preceding Ends (ACMX):
Identical with first end
Valve Loading Method (AEVR):
Valve Stem Design (AEVQ):
Single seat

National Stock Number (NSN)