Catalog item

VALVE,SAFETY RELIEF

4820FSC
00NCB code
990-4295Item number
NIIN 00-990-4295
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DEMIL code
A

Identification

Item name code
05488
PINC
0005488
Criticality code
X
II
0
DEMIL code
A
NIIN assigned
01-JAN-62
Precious metals indicator
U
Hazardous material indicator
N
Schedule B export code
8481400000
Last known source of supply
S9C

Part numbers

Part numberCAGECAGE statusRNCCRNVCDocument availability codeRNAACRNFCRNSC
121337239
LUNKENHEIMER CO
H595AX3B
342C722H0779500
WESTINGHOUSE ELECTRIC CORP
A325AX3D
342C722H0797942
NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP
A721AX3D

Characteristics

MATERIALBODY COPPER ALLOY
MATERIALFLOW CONTROL DEVICE COPPER ALLOY
CONNECTION TYPEFIRST END THREADED INTERNAL PIPE
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
VALVE OPERATION METHODAUTOMATIC
OPENING PRESSURE SETTINGPOUNDS PER SQUARE INCH 28.0
THREAD DIRECTIONFIRST END RIGHT-HAND
THREAD DIRECTIONSECOND END RIGHT-HAND
FLOW CONTROL DEVICEPOPPET
ADJUSTABLE PRESSURE RANGEPOUNDS PER SQUARE INCH 1.0 TO 250.0
NOMINAL THREAD SIZEFIRST END INCHES 0.750
NOMINAL THREAD SIZESECOND END INCHES 0.500
OPERATING PRESSURESINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0
CONNECTION TYPESECOND END THREADED EXTERNAL PIPE
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
STYLE DESIGNATOR
THREAD SERIES DESIGNATORFIRST END NPT
THREAD SERIES DESIGNATORSECOND END NPT
DISK LOADING METHODSPRING
MAXIMUM OPERATING TEMPSINGLE RESPONSE FAHRENHEIT 550.0
CONNECTION STYLE
MATERIALSEAT COPPER ALLOY

MOE rules

MOE ruleMOE CDDate assignedPICAPICA LOAAuth collab
ZR01ZR01-DEC-07ZR81ZR
ZU01ZU01-APR-91ZU81ZU

Freight

ACTY CD
XX
NMFC
127230
NMFC sub
Z
Uniform freight class
00000
Less than truckload
W
Less than carload
P
Water commodity code
594
Type of cargo code
Z
Special handling code
9
Air dimension code
A
Air commodity code
VZ
NMF description
PRESURE REGULATORS, REDUCING VALVES

Related items

Standardization

Item standardization code
5
Orig stdzn dec
96
Dt stdzn dec
23-DEC-1995
NIIN status code
0

Cancelled and replaced NIINs

FSC
4820
Cancelled NIIN
4820-00-825-3849
NIIN status code
5
Effective date
02-JUL-2026
DEMIL code
A

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