National Stock Number (NSN) 4820-01-517-2823 (4820015172823) Parts List

Item Name	Valve Check
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	01-517-2823 (015172823)
NCB Code	USA (01)
Manufacturer	Electro Impulse Laboratory Inc, International Valve Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
55836 ITEM 14	electro impulse laboratory inc	valve check	91161	RFQ
55839 ITEM 7	electro impulse laboratory inc	valve check	91161	RFQ
UN-3-075-22-5-1 2	international valve corporation	valve check	28396	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2B ALL ENDS
AAJF	THREAD DIRECTION	RIGHT-HAND ALL ENDS
ADQU	FLOW CONTROL DEVICE	DISK
ADSU	DISK LOADING METHOD	SPRING
ADZH	RENEWABLE SEAT RING TYPE	PRESSED-IN
AEHZ	MAXIMUM OPERATING TEMP	100.0 DEG FAHRENHEIT SINGLE RESPONSE
AGAV	END ITEM IDENTIFICATION	ELECTRONIC COOLING WATER SKID
AHNC	CONNECTION STYLE	PLAIN, OPTIONAL END (PIPE) ALL ENDS
AQLR	VALVE OPERATION METHOD	AUTOMATIC
AWLS	CONNECTION TYPE	THREADED INTERNAL TUBE ALL ENDS
BBJX	MOUNTING POSITION	HORIZONTAL OR VERTICAL
CMLP	THREAD QUANTITY PER INCH	18 ALL ENDS
CQGM	MAXIMUM OPERATING PRESSURE	15.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJX	NOMINAL THREAD SIZE	0.750 INCHES ALL ENDS
CSDC	OPENING PRESSURE SETTING	0.5 POUNDS PER SQUARE INCH
CWFD	NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.750 INCHES ALL ENDS
CXCY	PART NAME ASSIGNED BY CONTROLLING AGENCY	UNIVERSAL LOW PRESSURE CHECK VALVE
FEAT	SPECIAL FEATURES	NEXT HIGER ASSEMBLY: 55836 PIPING ASSEMBLY V1 TO CV1, B2 TO CV2; 55839 PIPING ASSEMBLY, FULL FLOW PARTICULATE ASSEMBLY
MATT	MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATT	MATERIAL	STEEL CORROSION RESISTING OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	ASTM 1479 GR 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	PCAF00 NATIONAL SPEC SINGLE MATERIAL RESPONSE SEAT
STYL	STYLE DESIGNATOR	STRAIGHT THRU
THSD	THREAD SERIES DESIGNATOR	NPT ALL ENDS