Check Valve

673077-101

673077-101
(NSN) National Stock Number
4820-00-295-8614
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05487
Schedule B Code
8481302090
Summary

3a 2nd end thread class, 3a 1st end thread class, right-hand 1st end thread direction, right-hand 2nd end thread direction, poppet flow control device, spring disk loading method

DAC HCC DMIL RNCC
6 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

INC FIIG Concept Condition
05487 A530B0 1 1
Specifications
Thread Class
3a 2nd end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Class
3a 1st end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand 1st end
Details 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.
Thread Direction
right-hand 2nd end
Details 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.
Flow Control Device
poppet
Details The part that controls the flow through the item.
Disk Loading Method
spring
Details The means of closing the item when inlet pressure decreases.
Maximum Operating Temp
250.0 deg fahrenheit single response
Details The maximum temperature at which the item is rated to operate for an extended period of time.
Connection Style
flared (tube) 2nd end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Style
flared (tube) 1st end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Valve Operation Method
automatic
Details The means used to control the operation of the valve.
Connection Type
threaded external tube 1st end
Details Indicates the type of connection/s/.
Connection Type
threaded external tube 2nd end
Details Indicates the type of connection/s/.
Mounting Position
horizontal or vertical
Details The installed position for which the item is designed.
Thread Quantity Per Inch
20 1st end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Maximum Operating Pressure
4000.0 pounds per square inch single response
Details The maximum pressure at which the item is rated for operation.
Nominal Thread Size
0.437 inches 1st end
Details A designation that is used for the purpose of general identification of the thread.
Nominal Thread Size
0.437 inches 2nd end
Details A designation that is used for the purpose of general identification of the thread.
Seat Angle
37.0 degrees 2nd end
Details The angle of the end surface upon which the mated surface seats.
Seat Angle
37.0 degrees 1st end
Details The angle of the end surface upon which the mated surface seats.
Nominal Outside Diameter Tube Accommodated
0.250 inches 1st end
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Nominal Outside Diameter Tube Accommodated
0.312 inches 2nd end
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Material
steel comp 630 body
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel comp 630 seat
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel flow control device
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
ams 5643 assn std single material response body
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Material Document And Classification
ams 5643 assn std single material response seat
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Material Document And Classification
qq-s-764, type 440 fed spec single material response flow control device
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Media For Which Designed
air single response
Details The type of media for which the item is designed.
Style Designator
straight thru
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
unf 1st end
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Thread Series Designator
unf 2nd end
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
146-1003 96046 1 - 5 2 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
29300 - W -
RVC WCC TCC SHC
- 576 Z 9

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Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA , GA , 30063-0001
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-295-8614
What is the NIIN of the NSN 4820-00-295-8614?
The National Item Identification Number (NIIN) of the NSN 4820-00-295-8614 is 00-295-8614
When the NSN 4820-00-295-8614 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Fri, Sep 28, 1973
Does the NSN 4820-00-295-8614 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-295-8614 contain any hazardous material?
No data in HMIRS

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