National Stock Number (NSN) 4820-00-529-3198 (4820005293198) Parts List

Item Name	Valve Check
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-529-3198 (005293198)
NCB Code	USA (00)
Manufacturer	Military Standards Corp, Fluid Power Inc, Aeronautical And Support Equipment, Scovill Inc, Department Of The Air Force, Ingersoll Rand Company, Carleton Technologies Inc, Air Force United States Department, Army Air Force Drawings, Air Force-Navy Aeronautical, Military Specifications

Part Number	Manufacturer	Item Name	Cage Code	RFQ
MS21211-4	military standards corp	valve check	96906	RFQ
4390	fluid power inc	valve check	99227	RFQ
43A9030	aeronautical and support equipment	valve check	07878	RFQ
2289	scovill inc	valve check	53477	RFQ
MS21211	military standards corp	valve check	96906	RFQ
43A9030	department of the air force	valve check	80049	RFQ
2289M	scovill inc	valve check	53477	RFQ
9802	ingersoll rand company	valve check	03990	RFQ
9802	carleton technologies inc	valve check	04577	RFQ
8148650	air force united states department	valve check	98748	RFQ
43A9030	army air force drawings	valve check	88042	RFQ
AN6033-1	air force-navy aeronautical	valve check	81352	RFQ
MIL-PRF-7908	military specifications	valve check	81349	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A 1ST END
AAJF	THREAD DIRECTION	RIGHT-HAND 1ST END
ADQU	FLOW CONTROL DEVICE	BALL
AEHZ	MAXIMUM OPERATING TEMP	65.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNC	CONNECTION STYLE	FLARED (TUBE) 1ST END
AWLS	CONNECTION TYPE	THREADED EXTERNAL TUBE 1ST END
BBJX	MOUNTING POSITION	HORIZONTAL OR VERTICAL
CMLP	THREAD QUANTITY PER INCH	20 1ST END
CQGM	MAXIMUM OPERATING PRESSURE	450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJX	NOMINAL THREAD SIZE	0.500 INCHES 1ST END
CQRB	SEAT ANGLE	37.0 DEGREES 1ST END
CWFD	NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.312 INCHES 1ST END
FEAT	SPECIAL FEATURES	THIRD END MS33656 FOR 5/16 IN. OD TUBING; OXYGEN CLEANING REQUIRED PER AIR FORCE DRAWING OR EQUIVALENT SPEC.
MEDA	MEDIA FOR WHICH DESIGNED	OXYGEN,GASEOUS SINGLE RESPONSE
TEST	TEST DATA DOCUMENT	81349-MIL-V-7908 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	UNF 1ST END
ZZZT	NONDEFINITIVE SPEC/STD DATA	D STYLE