NSN 4820-01-555-3445

Pressure And Temper Relief Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
015553445

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Product Definition Definition of approved item name (AIN): "VALVE,RELIEF,PRESSURE AND TEMPER"

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

4820-01-555-3445 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAFZ
Body Material
Steel
MRC:
AAQL
Body Style
Single connection angle flow
MRC:
ADSV
Opening Pressure Setting
550.0 pounds per square inch
MRC:
AGAV
End Application
Fire protection system, p/n 10540059 onboard uscg 75 ft wlic class vessels
MRC:
CXCY
Part Name Assigned By Controlling Agency
Relief valve
MRC:
SUPP
Supplementary Features
The nitrogen relief valve is installed on the top of the water tank in the vapor space. The amse coded valve is designed to be fully opened at 550 psig. The body is carbon steel, painted red , and the internal components are stainless steel. The valve outlet is 1" npt.

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:
80610330
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Inidicates part number has been superseded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:
16996
FIIG:
A07100
Concept No.:
1
App. Key:
AR
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.