Catalog item

VALVE,SAFETY RELIEF

4820FSC
00NCB code
121-9625Item number
NIIN 00-121-9625
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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
U
Hazardous material indicator
N
Schedule B export code
8481400000
Last known source of supply
SMS

Part numbers

Part numberCAGECAGE statusRNCCRNVCDocument availability codeRNAACRNFCRNSC
4085700-752997
PACIFIC AIR INDUSTRIES, LLC DIV PACIFIC AIR INDUSTRIES
A526AX
4085700-788277
THE BOEING COMPANY
A525SB
S4085700-788277
THE BOEING COMPANY
A325SB
4085700-718355
THE BOEING COMPANY
A595SB3B
S4085700-718355
THE BOEING COMPANY
A595SB3B

Characteristics

THREAD QUANTITY PER INCH18
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZEFIRST END INCHES 0.437
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
MOUNTING FACILITYTHREADED FASTENER
CONNECTION TYPESECOND END THREADED INTERNAL PIPE
NOMINAL PIPE SIZE ACCOMMODATEDSECOND END INCHES 0.250
THREAD CLASS3A
THREAD DIRECTIONFIRST END RIGHT-HAND
THREAD DIRECTIONSECOND END RIGHT-HAND
FLOW CONTROL DEVICEDISK
DISK LOADING METHODSPRING
CONNECTION STYLE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFIRST END THREADED EXTERNAL TUBE
NOMINAL THREAD SIZESECOND END INCHES 0.250
OPERATING PRESSURESINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3750.0
SEAT ANGLEFIRST END DEGREES 37.0
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATEDFIRST END INCHES 0.250
MATERIALBODY ALUMINUM ALLOY
MATERIALSEAT STEEL CORROSION RESISTING
MATERIALSTEM STEEL CORROSION RESISTING
MEDIA FOR WHICH DESIGNEDSINGLE RESPONSE FUEL/OIL, HYDROCARBON
STYLE DESIGNATOR
THREAD SERIES DESIGNATORFIRST END UNF
THREAD SERIES DESIGNATORSECOND END NPT

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

Cancelled and replaced NIINs

FSC
1650
Cancelled NIIN
1650-00-219-0490
NIIN status code
7
Effective date
01-JUL-2026
DEMIL code
B

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