NSN 4820-00-992-0622, (4820009920622) Parts Inventory

Item Name	Seat Valve
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-992-0622 (009920622)
NCB Code	USA (00)
Manufacturer	Westinghouse Electric Corp, Northrop Grumman Systems Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
668J901PC96	westinghouse electric corp	seat valve	79500	RFQ
935B109PC2	northrop grumman systems corporation	seat valve	90099	RFQ
935B109-2	westinghouse electric corp	seat valve	88657	RFQ
935B109-2	northrop grumman systems corporation	seat valve	90099	RFQ
935B109PC2	westinghouse electric corp	seat valve	79500	RFQ

MRC	Criteria	Characteristic
ABKK	FLANGE DIAMETER	4.792 INCHES MINIMUM AND 4.802 INCHES MAXIMUM
AJFZ	SEAT RADIUS	0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM
CQKM	SEATING SURFACE SHAPE	RADIAL
MATT	MATERIAL	COBALT ALLOY SEAT
MATT	MATERIAL	STEEL BODY
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CL 410,COND T FED SPEC SINGLE MATERIAL RESPONSE BODY
ZZZV	FSC APPLICATION DATA	TURBINE,STEAM