NSN 4820-01-431-6695

Stop-check Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
014316695

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Product Definition Definition of approved item name (AIN): "VALVE,STOP-CHECK"

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

4820-01-431-6695 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAAR
Pipe Size Accommodated
2.000 inches all ends
MRC:
ADQU
Flow Control Device
Disk
MRC:
ADSR
Bonnet Type
Outside screw-yoke
MRC:
ADST
Bonnet Attachment Method
Bolted
MRC:
AEHZ
Maximum Operating Temp
775.0 degrees fahrenheit single response
MRC:
AGAV
End Application
Supply class aoe
MRC:
AHNC
Connection Style
Socket (pipe) all ends
MRC:
AQLR
Valve Operation Method
Manual
MRC:
AWLS
Connection Type
Unthreaded internal pipe all ends
MRC:
BBJX
Mounting Position
Horizontal or vertical
MRC:
CQGM
Maximum Operating Pressure
900.0 pounds per square inch single response
MRC:
MATT
Material
Steel comp 316 stem
MRC:
MDCL
Material Specification
Mil-c-24252, cond ca-7 military specification single material response flow control device
MRC:
STYL
Style Designator
Angle

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
803-2177525-S841
Cage Code:
80064
RNCC:
3
RNVC:
2
DAC:
E
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
2177525
Cage Code:
80064
RNCC:
D
RNVC:
9
DAC:
A
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

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

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.