NSN 1240-00-864-2931 7660439, 00-864-2931, 008642931
Product Details | OPTICAL INSTRUMENT WINDOW
1240-00-864-2931 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: 7660439, 1240-00-864-2931, 00-864-2931, 1240008642931, 008642931
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01 JAN 1962 | 00-864-2931 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
Demand History | NSN 1240-00-864-2931
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 008642931 | 2023-09-11 | 12 | us |
| 1240-00-864-2931 | 2023-04-28 | 216 | DIBBS |
| 1240-00-864-2931 | 2022-03-31 | 121 | DIBBS |
| 1240-00-864-2931 | 2022-03-16 | 95 | DIBBS |
| 1240-00-864-2931 | 2022-01-09 | 27 | DIBBS |
| 1240-00-864-2931 | 2021-08-31 | 27 | DIBBS |
| 1240-00-864-2931 | 2021-08-15 | 88 | DIBBS |
| 1240-00-864-2931 | 2018-12-12 | 179 | DIBBS |
| 1240-00-864-2931 | 2015-04-12 | 313 | DIBBS |
| 1240-00-864-2931 | 2014-04-13 | 218 | DIBBS |
| 1240-00-864-2931 | 2013-07-14 | 162 | DIBBS |
| 1240-00-864-2931 | 2010-10-29 | 18 | DIBBS |
| 1240-00-864-2931 | 2010-06-07 | 160 | DIBBS |
| 1240-00-864-2931 | 2010-03-08 | 66 | DIBBS |
| 1240-00-864-2931 | 2009-01-21 | 78 | DIBBS |
Cross Reference | NSN 1240-00-864-2931
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7660439 | 19200 | US ARMY ARDEC RDECOM |
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Related Products | NSN 1240-00-864-2931
Technical Data | NSN 1240-00-864-2931
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 517-645 |
| REFRACTION INDEX | 1.5170 NOMINAL |
| DISPERSION | 64.5 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| LENGTH | 1.557 INCHES MINIMUM AND 1.562 INCHES MAXIMUM |
| THICKNESS | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| BEVEL ANGLE IN DEG | 42.000 MINIMUM AND 48.000 MAXIMUM |
| BEVEL DEPTH | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| SPECIAL FEATURES | ALL CORNERS WITH A 0.310 IN. RADIUS |
| III FSC APPLICATION DATA | TELESCOPE,PANORAMIC |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7660439 |
Restrictions/Controls & Freight Information | NSN 1240-00-864-2931
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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.) |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 | ||
| 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 | 2 | Arms/Weapons (all types including Inert Component Parts). When a 2 is indicated in the first position, then the special handling code must be determined from table 85 , part 1. |
| 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 |
Management | NSN 1240-00-864-2931
Army
Navy
Marines| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | Q | Electronics Materiel (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | K | Combat Vehicles |
| Weapons Systems/End Item or Homogeneous Group | KF | Howitzer, Full Tracked, Self- propelled 155mm M109 |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 5 | Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency. |
| Materiel Management Code | B | All CommoditiesDefense Logistics Agency, (DLA,) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |