National Stock Number (NSN) 4820-00-932-4821 (4820009324821) Parts List

Item Name	Valve Safety Relief
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-932-4821 (009324821)
NCB Code	USA (00)
Manufacturer	Control Flow Inc, Essex Industries Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
6327-000-2-558	control flow inc	valve safety relief	16603	RFQ
AN-5830-2	essex industries inc	valve safety relief	55469	RFQ
K-1330-4	essex industries inc	valve safety relief	55469	RFQ

MRC	Criteria	Characteristic
AAJF	THREAD DIRECTION	RIGHT-HAND ALL ENDS
ADQU	FLOW CONTROL DEVICE	DISK
ADSU	DISK LOADING METHOD	SPRING
AHNC	CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) ALL ENDS
AQLR	VALVE OPERATION METHOD	AUTOMATIC
AWLS	CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
CQJX	NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS
FEAT	SPECIAL FEATURES	MOUNTING POSITION-HORIZONTAL OR VERTICAL
MATT	MATERIAL	ALUMINUM ALLOY BODY
MATT	MATERIAL	ALUMINUM ALLOY SEAT
MATT	MATERIAL	ALUMINUM FLOW CONTROL DEVICE AND RUBBER FLOW CONTROL DEVICE
SFTT	SURFACE TREATMENT	ANODIZE
THSD	THREAD SERIES DESIGNATOR	NPT ALL ENDS