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Catalog item

VALVE,SAFETY RELIEF

4820FSC

00NCB code

541-0435Item number

NIIN 00-541-0435

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DEMIL code: B

Identification

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

Part numbers

Part number	CAGE	CAGE status	RNCC	RNVC	Document availability code	RNAAC	RNFC	RNSC
N19328	81982 HYDRO-AIRE AEROSPACE CORP	A	5	2	X	SB	3	D
19328	81982 HYDRO-AIRE AEROSPACE CORP	A	3	2	X	SB	3	D
4263170	88277 THE BOEING COMPANY	A	5	2	5	TU
4263170	18355 THE BOEING COMPANY	A	5	9	5	TU	3	B

Characteristics

VALVE DISCHARGE FLOW RATE	GALLONS PER MINUTE 3.5
DISK LOADING METHOD	SPRING
THREAD SERIES DESIGNATOR	FIRST END UNF
MAXIMUM OPERATING TEMP	SINGLE RESPONSE FAHRENHEIT 160.0
FLOW CONTROL DEVICE	PISTON
THREAD CLASS	3A
CONNECTION STYLE
CONNECTION TYPE	FIRST END THREADED INTERNAL BOSS
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
THREAD QUANTITY PER INCH	18
THREAD DIRECTION	FIRST END RIGHT-HAND
ADJUSTABLE PRESSURE RANGE	POUNDS PER SQUARE INCH 200.0 TO 650.0
STYLE DESIGNATOR
OPERATING PRESSURE	SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 650.0
MEDIA FOR WHICH DESIGNED	SINGLE RESPONSE HYDRAULIC FLUID, PHOSPHATE-ESTER BASE
NOMINAL THREAD SIZE	FIRST END INCHES 0.562
SURFACE TREATMENT	LOCATION NOT OTHERWISE SPECIFIED ANODIZE

MOE rules

MOE rule	MOE CD	Date assigned	PICA	PICA LOA	Auth collab
ZU01	ZU	01-APR-91	ZU	81	ZU
VJ01	VJ	01-FEB-19	VJ	81	VJ

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: 1650-00-497-7192
NIIN status code: 7
Effective date: 01-JUL-2026
DEMIL code: B

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