Product Details | OPTICAL INSTRUMENT WINDOW

1240-00-949-5396 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: 10528011, 1240-00-949-5396, 00-949-5396, 1240009495396, 009495396

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 20 APR 1966 00-949-5396

Cross Reference | NSN 1240-00-949-5396

Part Number Cage Code Manufacturer
10528011 19200 US ARMY ARDEC RDECOM

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Technical Data | NSN 1240-00-949-5396

Characteristic Specifications
MATERIAL GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B, TYPE 523-586
SURFACE FINISH POLISHED
POLISHED PERIPHERY PROVIDED
DIAMETER 3.122 INCHES NOMINAL
WIDTH 0.250 INCHES NOMINAL
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE 10528011

Restrictions/Controls & Freight Information | NSN 1240-00-949-5396

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:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 086700 GLASS,FLAT,NOI BENT IN BOXES/
Less than car load rating R 65
Less than truck load rating W Rating Variable
Water commodity Code 704 unknown
Originating Activity Code BG RDECOM-ECBC-RI
Rock Island, IL 61299
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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