NSN 4820-01-524-9685

Check Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
015249685

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

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.

4820-01-524-9685 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
ADQU
Flow Control Device
Disk
MRC:
ADSR
Bonnet Type
Outside screw-yoke
MRC:
ADST
Bonnet Attachment Method
Bolted
MRC:
ADSU
Disk Loading Method
Weight
MRC:
AEHZ
Maximum Operating Temp
435.0 degrees fahrenheit single response
MRC:
AEQJ
Minimum Operating Temp
-65.0 degrees fahrenheit
MRC:
AGAV
End Application
U/o c17a acft
MRC:
AQLR
Valve Operation Method
Air
MRC:
ARKN
Flange Shape
Round all ends
MRC:
AWLS
Connection Type
Flange all ends
MRC:
CQGM
Maximum Operating Pressure
80.0 pounds per square inch single response
MRC:
CWCD
Outside Diameter
3.853 inches all ends
MRC:
CWCK
Thickness
0.500 inches all ends
MRC:
CWDF
Flange Face Design
Plain all ends
MRC:
CXCY
Part Name Assigned By Controlling Agency
Manufacturers suggested name valve instl, check-bleed air
MRC:
FEAT
Special Features
Max flow rate 80 lb min; proof pressure 160 psig @435 degrees feh; burst pressure 320 psig @ 435 degrees feh; temperature range -65 to 240 def feh; pressure drop 0.3 psid @ max flow, temp, pressure; weight 1.60 lbs max; max unchecked inlet pressure 0 max temp, 80 psig @ 435 degrees feh
MRC:
MATT
Material
Stainless steel
MRC:
MEDA
Media For Which Designed
Air single response
MRC:
STYL
Style Designator
Straight thru

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:
1003816-1
Cage Code:
73030
RNCC:
3
RNVC:
2
DAC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
17B2N9019-1
Cage Code:
88277
RNCC:
7
RNVC:
2
DAC:
5
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Inidicates part number has been superseded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:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
ADPE:
0
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.

Electrostatic Discharge (ESD) A

No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE 0

Represents items with no adp components

Criticality X

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