Product Details | OPTICAL INSTRUMENT WINDOW

1240-00-557-0716 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: A7632368, 1240-00-557-0716, 00-557-0716, 1240005570716, 005570716

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 01 JAN 1963 00-557-0716

Cross Reference | NSN 1240-00-557-0716

Part Number Cage Code Manufacturer
A7632368 19200 US ARMY ARDEC RDECOM

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 1240-00-557-0716

Technical Data | NSN 1240-00-557-0716

Characteristic Specifications
MATERIAL GLASS, OPTICAL, JAN-G-174, TYPE 523-586, GRADE C
REFRACTION INDEX 1.5230 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
WIDTH 29.710 MILLIMETERS NOMINAL
LENGTH 50.670 MILLIMETERS NOMINAL
THICKNESS 5.800 MILLIMETERS NOMINAL
BEVEL ANGLE IN DEG 30.000 NOMINAL
BEVEL DEPTH 2.360 MILLIMETERS NOMINAL
SPECIAL FEATURES CORNERS ROUNDED W/0.744 IN. RADIUS,ASTIGMATISM NOT TO EXCEED 2.5 MILLIDIOPTERS,SPERICAL POWER NOT TO EXCEED 6.5 MILLIDIOPTERS
III FSC APPLICATION DATA TELESCOPE,PANORAMIC T149E1
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE A7632368

Restrictions/Controls & Freight Information | NSN 1240-00-557-0716

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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