Catalog item

VALVE,SAFETY RELIEF

4820FSC
00NCB code
121-9623Item number
NIIN 00-121-9623
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DEMIL code
A

Identification

Item name code
05488
PINC
0005488
Criticality code
X
II
M
DEMIL code
A
NIIN assigned
01-JAN-63
Precious metals indicator
A
ADP equipment code
0
Hazardous material indicator
N
Schedule B export code
8481400000
Last known source of supply
FHZ

Part numbers

Part numberCAGECAGE statusRNCCRNVCDocument availability codeRNAACRNFCRNSC
S4085700-1188277
THE BOEING COMPANY
A325MF
4085700-1188277
THE BOEING COMPANY
A525MF
4085700-1118355
THE BOEING COMPANY
A595MF3B
S4085700-1118355
THE BOEING COMPANY
A595MF3B

Characteristics

THREAD DIRECTIONFIRST END RIGHT-HAND
DISK LOADING METHODSPRING
CONNECTION STYLE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFIRST END THREADED EXTERNAL TUBE
OPERATING PRESSURESINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4500.0
SEAT ANGLEFIRST END DEGREES 37.0
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATEDFIRST END INCHES 0.250
MATERIALBODY ALUMINUM ALLOY
MATERIALSEAT STEEL CORROSION RESISTING
MEDIA FOR WHICH DESIGNEDSINGLE RESPONSE FUEL/OIL, HYDROCARBON
THREAD DIRECTIONSECOND END RIGHT-HAND
NOMINAL PIPE SIZE ACCOMMODATEDSECOND END INCHES 0.250
CONNECTION TYPESECOND END THREADED INTERNAL PIPE
MOUNTING FACILITYTHREADED FASTENER
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZEFIRST END INCHES 0.437
NOMINAL THREAD SIZESECOND END INCHES 0.438
THREAD SERIES DESIGNATORSECOND END UNF
THREAD SERIES DESIGNATORFIRST END UNF
STYLE DESIGNATOR

MOE rules

MOE rule
ZH01
MOE CD
ZH
Date assigned
01-APR-91
PICA
ZH
PICA LOA
81
Auth collab
ZH

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
Z
Air dimension code
A
Air commodity code
AZ
NMF description
PRESURE REGULATORS, REDUCING VALVES

Related items

Standardization

Item standardization code
2
Orig stdzn dec
AX
Dt stdzn dec
15-DEC-1974
NIIN status code
0

Cancelled and replaced NIINs

FSC
1650
Cancelled NIIN
1650-00-219-0489
NIIN status code
7
Effective date
01-JUL-2026
DEMIL code
B

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