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Last Modified: Jul 20, 2019

Part Number MIL1798 Optical Instrument Window

National Stock Number: 1240-00-647-1084

MIL1798 Cross Reference Parts

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

1049117REVB

6 2 5 6

1049117

6 9 5 1

1049117

6 9 5 6

MIL1798

6 2 3 X

1049117

6 9 5 6

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Summary Information (click on this NSN number for detailed information: 1240-00-647-1084)

Definition: Optical Instrument Window, also referenced with federal logistics item name code 10908: A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. this item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
Federal Supply Class (FSC): 1240
NIIN: 00-647-1084 (006471084)
NMF Description: OPTICAL GOODS OR INSTRUMENTS NOI
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