NSN 4820-01-555-3474

Check Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
015553474

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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.

4820-01-555-3474 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
ADQU
Flow Control Device
Piston
MRC:
AGAV
End Application
Fire protection system, p/n 10540059 onboard uscg 75 ft wlic class vessels
MRC:
FEAT
Special Features
The nitrogen check valve is installed at the inlet port to the water tank. The body material is brass. The plunger/piston on the side of the check valve will protrude when the valve is open and will be recessed when the valve is closed.
MRC:
MATT
Material
Copper alloy body
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:
20610265
Cage Code:
1CSX7
RNCC:
3
RNVC:
2
DAC:
6
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Inidicates part number has been superseded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.