National Stock Number (NSN) 1560-01-172-4393 (1560011724393) Parts List

Item Name	Window Panel Aircraft
Federal Supply Group (FSG)	Aircraft and Airframe Structural Components
Federal Supply Class (FSC)	1560 Airframe Structural Components
National Item Identification Number (NIIN)	01-172-4393 (011724393)
NCB Code	USA (01)
Manufacturer	Recon Optical Inc, Northrop Grumman Systems Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
2999-100	recon optical inc	window panel aircraft	4f303	RFQ
30-75905-1	northrop grumman systems corporation	window panel aircraft	76823	RFQ
43980	recon optical inc	window panel aircraft	93706	RFQ

MRC	Criteria	Characteristic
FEAT	SPECIAL FEATURES	GU/A: WINDOW ASSY,CAM; C/O: FORWARD OBLIQUE GLASS,TO MEET MIL-G-174; BOROSILICATE CROWN TYPE BK-7.517642,FINE ANNEALED,WEDGE ANGLE MAX 15 AROSECONDS; MODIFIED PEAR SHAPE; SYMMETRICAL ABOUT CENTERLINE,BOTTOM WITH CENTER TO EDGE 3.990IN.