National Stock Number (NSN) 4720-00-543-7033 (4720005437033) Parts List

Item Name	Hose Air Duct
Federal Supply Group (FSG)	Pipe Tubing Hose and Fittings
Federal Supply Class (FSC)	4720 Hose and Tubing Flexible
National Item Identification Number (NIIN)	00-543-7033 (005437033)
NCB Code	USA (00)
Manufacturer	National Aerospace Standards Com, Naval Aircraft Standards

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NAS521-24-10	national aerospace standards com	hose air duct	80205	RFQ
NAS522	national aerospace standards com	hose air duct	80205	RFQ
NAS522	naval aircraft standards	hose air duct	88827	RFQ

MRC	Criteria	Characteristic
AAGR	CROSS-SECTIONAL SHAPE STYLE	ROUND
AAGT	WALL THICKNESS	0.030 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
AARX	INSIDE DIAMETER	3.000 INCHES NOMINAL FIRST END
AWLS	CONNECTION TYPE	PLAIN BOTH ENDS
CQGM	MAXIMUM OPERATING PRESSURE	20.0 POUNDS PER SQUARE INCH
CRXX	MEASURING METHOD AND LENGTH	2.500 INCHES NOMINAL OVERALL
MATT	MATERIAL	RUBBER SYNTHETIC ALL PLIES AND COTTON ALL PLIES
STYL	STYLE DESIGNATOR	SLEEVE SECTION
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD