National Stock Number (NSN) 4820-00-529-3203 (4820005293203) Parts List

Item Name	Valve Check
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-529-3203 (005293203)
NCB Code	USA (00)
Manufacturer	Parker Hannifin Corporation, Saf Industries Llc, Aeronautical Standards Group, Military Specifications

Part Number	Manufacturer	Item Name	Cage Code	RFQ
12-347-8	parker hannifin corporation	valve check	92003	RFQ
4CV6168	saf industries llc	valve check	26044	RFQ
AN6249-16	aeronautical standards group	valve check	88044	RFQ
MIL-V-5524	military specifications	valve check	81349	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A ALL ENDS
AAJF	THREAD DIRECTION	RIGHT-HAND ALL ENDS
ADQU	FLOW CONTROL DEVICE	CONE
ADSU	DISK LOADING METHOD	SPRING
AEHZ	MAXIMUM OPERATING TEMP	160.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNC	CONNECTION STYLE	FLARED (TUBE) ALL ENDS
AQLR	VALVE OPERATION METHOD	AUTOMATIC
AWLS	CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
BBJX	MOUNTING POSITION	HORIZONTAL OR VERTICAL
CMLP	THREAD QUANTITY PER INCH	12 ALL ENDS
CQGM	MAXIMUM OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJX	NOMINAL THREAD SIZE	1.312 INCHES ALL ENDS
CQRB	SEAT ANGLE	37.0 DEGREES ALL ENDS
MATT	MATERIAL	ALUMINUM ALLOY OVERALL
MEDA	MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID,PHOSPHATE-ESTER BASE SINGLE RESPONSE
STYL	STYLE DESIGNATOR	STRAIGHT THRU
TEST	TEST DATA DOCUMENT	81349-MIL-V-5524 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTIN
THSD	THREAD SERIES DESIGNATOR	UN ALL ENDS
ZZZT	NONDEFINITIVE SPEC/STD DATA	A STYLE AND 3000 CLASS