NSN 1240-00-551-1926 7591265, 00-551-1926, 005511926
Product Details | OPTICAL INSTRUMENT WINDOW
1240-00-551-1926 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: 7591265, 1240-00-551-1926, 00-551-1926, 1240005511926, 005511926
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 17 NOV 1971 | 00-551-1926 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
Cross Reference | NSN 1240-00-551-1926
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7591265 | 19200 | US ARMY ARDEC RDECOM |
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Technical Data | NSN 1240-00-551-1926
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, GRADE D, TYPE 517-645 |
| REFRACTION INDEX | 1.5170 NOMINAL |
| DISPERSION | 64.5 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| SURFACE FINISH | FINE GROUND |
| BEVELED/POLISHED EDGE PLATING MATERIAL | ANY ACCEPTABLE |
| POLISHED PERIPHERY | PROVIDED |
| DIAMETER | 2.348 INCHES NOMINAL |
| THICKNESS | 0.125 INCHES NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.020 INCHES NOMINAL |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7591265 |
Restrictions/Controls & Freight Information | NSN 1240-00-551-1926
| 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: | D | Munitions 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: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents 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 | 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 | 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 | ||
| 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 |