National Stock Number (NSN) 6630-00-250-6301 (6630002506301) Parts List

Item Name	Disk Color Standard
Federal Supply Group (FSG)	Instruments and Laboratory Equipment
Federal Supply Class (FSC)	6630 Chemical Analysis Instruments
National Item Identification Number (NIIN)	00-250-6301 (002506301)
NCB Code	USA (00)
Manufacturer	Orbeco Hellige Inc, Siemens Water Technologies Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
U8491	orbeco hellige inc	disk color standard	90767	RFQ
150-D	siemens water technologies corp	disk color standard	79172	RFQ
MIL-D-537-TYPE-1-CLASS-2	orbeco hellige inc	disk color standard	90767	RFQ
MIL-D-537-TYPE-1-CLASS-2	siemens water technologies corp	disk color standard	79172	RFQ
150-D	orbeco hellige inc	disk color standard	90767	RFQ
U8491	siemens water technologies corp	disk color standard	79172	RFQ

MRC	Criteria	Characteristic
ZZZT	Nondefinitive Spec/Std Data	1 TYPE AND 2 CLASS
ATNS	Color Range	+4.4/+6.0 PH
ATNT	Color Graduation	4.4 AND 4.6 AND 4.8 AND 5.0 AND 5.2 AND 5.4 AND 5.6 AND 5.8 AND 6.0
ATNW	Light Type For Which Designed	ARTIFICIAL LIGHT AND DAYLIGHT
ADAV	Overall Diameter	3.438 INCHES NOMINAL
MRC	Decoded Requirement	Clear Text Reply
ADUM	Overall Thickness	0.312 INCHES NOMINAL