NSN 1240-00-557-0716 A7632368, 00-557-0716, 005570716
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 | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01 JAN 1963 | 00-557-0716 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
Cross Reference | NSN 1240-00-557-0716
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A7632368 | 19200 | US ARMY ARDEC RDECOM |
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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 Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | B | Munitions 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: | U | Precious 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 |



