Product Details | OPTICAL INSTRUMENT WINDOW

1240-00-503-7666 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.20212400038Optical Sighting and Ranging Equipment66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: 5037666, 1240-00-503-7666, 00-503-7666, 1240005037666, 005037666

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 01 JAN 1963 00-503-7666

Cross Reference | NSN 1240-00-503-7666

Part Number Cage Code Manufacturer
5037666 19200 US ARMY ARDEC RDECOM

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Technical Data | NSN 1240-00-503-7666

Characteristic Specifications
MATERIAL GLASS, OPTICAL, JAN-G-174, TYPE 517-645, GRADE C
REFRACTION INDEX 1.5170 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER 30.1626 MILLIMETERS NOMINAL
THICKNESS 3.000 MILLIMETERS NOMINAL
III FSC APPLICATION DATA MOUNT,TELESCOPE,M3A1,INTEGRATED WITH FIRE CONTROL EQUIPMENT
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE 5037666

Restrictions/Controls & Freight Information | NSN 1240-00-503-7666

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 058110 OPTICAL GOODS OR INSTRUMENTS NOI
Less than car load rating D 200
Less than truck load rating D 200.0
Water commodity Code 744 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity M Medical supplies, equipment, samples records, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable