NSN (1240005406185) – NSN 1240-00-540-6185 Parts List

Item Name	Window Optical Inst
Federal Supply Group (FSG)	Fire Control Equipment
Federal Supply Class (FSC)	1240 Optical Sighting And Ranging Equipment
National Item Identification Number (NIIN)	00-540-6185 (005406185)
NCB Code	USA (00)
Manufacturer	Eca Etablissement Central Des, General Scientific Corporation, Autodyne Manufacturing Co Inc, Seiler Instrument And Manufacturing

Part Number	Manufacturer	Item Name	Cage Code	RFQ
8229032	eca etablissement central des	window optical inst	f0638	RFQ
8229032	general scientific corporation	window optical instrument	03829	RFQ
1240005406185	eca etablissement central des	window optical inst	f0638	RFQ
8229032	autodyne manufacturing co inc	window optical inst	05584	RFQ
A11233	autodyne manufacturing co inc	window optical inst	05584	RFQ
A11233	eca etablissement central des	window optical inst	f0638	RFQ
1240005406185	autodyne manufacturing co inc	window optical inst	05584	RFQ
8229032	seiler instrument and manufacturing	window optical instrument	11934	RFQ

MRC	Criteria	Characteristic
FEAT	Special Features	LIGHT DEVIATION NOT TO EXCEED 5 MIN OF ARC AND SURFACE QUALITY 80-50
ABNM	Thickness	0.240 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
ABMZ	Diameter	1.528 INCHES MINIMUM AND 1.531 INCHES MAXIMUM
ZZZV	Fsc Application Data	INFINITY SIGHT
MRC	Decoded Requirement	Clear Text Reply
MATT	Material	GLASS, OPTICAL, MIL-G-174, GRADE C
BMSG	Polished Surface	BOTH
BMSM	Polished Periphery	NOT PROVIDED
CRTL	Criticality Code Justification	FEAT

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