Complete NSN (4820008251991) 4820-00-825-1991 Parts Listing

Item Name	Seat Valve
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-825-1991 (008251991)
NCB Code	USA (00)
Manufacturer	Ingersoll Rand Company, Curtiss Wright Electro Mechanical Corporation, Dresser Rand Company

Part Number	Manufacturer	Item Name	Cage Code	RFQ
CMK17K5N	ingersoll rand company	seat valve	30760	RFQ
186290PC120	ingersoll rand company	seat valve	30760	RFQ
184450PC120	curtiss wright electro mechanical corporation	seat valve	8fgx3	RFQ
184450PC120	dresser rand company	seat valve	88663	RFQ
CMK17K5N	dresser rand company	seat valve	88663	RFQ
CMK17K5N	curtiss wright electro mechanical corporation	seat valve	88032	RFQ
184450PC120	ingersoll rand company	seat valve	30760	RFQ
186311PC120	ingersoll rand company	seat valve	30760	RFQ
186311PC120	curtiss wright electro mechanical corporation	seat valve	88032	RFQ
186290PC120	dresser rand company	seat valve	88663	RFQ
186290PC120	curtiss wright electro mechanical corporation	seat valve	8fgx3	RFQ

MRC	Criteria	Characteristic
AJRF	FLANGE SEAT TO DISK END HEIGHT	0.188 NOMINAL INCHES
AJRM	UNDER FLANGE HEIGHT	0.188 INCHES NOMINAL
CQKM	SEATING SURFACE SHAPE	FLAT
MATT	MATERIAL	STEEL OVERALL
STYL	STYLE DESIGNATOR	PLAIN FLANGED
THSD	THREAD SERIES DESIGNATOR	UNF SINGLE THREADED PORTION
AAJD	THREAD CLASS	2A SINGLE THREADED PORTION
AASA	THREAD LENGTH	0.344 INCHES NOMINAL SINGLE THREADED PORTION
ABKK	FLANGE DIAMETER	2.115 INCHES MINIMUM AND 2.120 INCHES MAXIMUM
ADAR	BODY OUTSIDE DIAMETER	1.932 INCHES MINIMUM AND 1.937 INCHES MAXIMUM
ADAS	BODY INSIDE DIAMETER	0.312 INCHES NOMINAL
CQJX	NOMINAL THREAD SIZE	0.312 INCHES SINGLE THREADED PORTION
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

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