National Stock Number (NSN) 4820-00-609-7456 (4820006097456) Parts List

Item Name	Valve Regulating Fluid Pressure
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-609-7456 (006097456)
NCB Code	USA (00)
Manufacturer	Howell Laboratories Inc, Johnson Controls Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
4422	howell laboratories inc	valve regulating fluid pressure	22501	RFQ
4422C	howell laboratories inc	valve regulating fluid pressure	22501	RFQ
V46CH-4	johnson controls inc	valve regulating fluid pressure	92578	RFQ

MRC	Criteria	Characteristic
AAQL	BODY STYLE	STRAIGHT THRU
ACKL	MEDIA FOR WHICH DESIGNED	WATER,FRESH
ACKM	FIRST END CONNECTION TYPE	UNTHREADED INTERNAL TUBE
ACKN	FIRST END STYLE DESIGNATOR	PLAIN
ACLH	FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES NOMINAL
ACLR	SECOND END RELATIONSHIP WITH FIRST END	IDENTICAL
ADQU	FLOW CONTROL DEVICE	BELLOWS
ADQZ	END CONNECTION QUANTITY	2
AEVN	REGULATION TYPE	AUTOMATIC SINGLE STAGE
AEVR	VALVE LOADING METHOD	SPRING
AEVZ	MAXIMUM INLET PRESSURE RATING	150.0 POUNDS PER SQUARE INCH
AEWF	FILTER	NOT INCLUDED
MATT	MATERIAL	COPPER ALLOY BODY