NSN 1240-00-159-0537 231650, 655045, 00-159-0537
Product Details | OPTICAL ELEMENT RETAINING RING
1240-00-159-0537 A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.20312400038Optical Sighting and Ranging Equipment58550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories
Part Alternates: 231650, 655045, 1240-00-159-0537, 00-159-0537, 1240001590537, 001590537
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01 JAN 1963 | 00-159-0537 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
Demand History | NSN 1240-00-159-0537
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 231650 | 2024-12-352 | 2 | United States |
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Technical Data | NSN 1240-00-159-0537
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL, CORROSION RESISTING |
| OVERALL LENGTH | 0.656 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.500 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.125 INCHES NOMINAL |
| INNER GROOVE WIDTH | 0.0235 INCHES NOMINAL |
| GROOVE DIAMETER | 2.251 INCHES NOMINAL |
| GROOVE LOCATION | INSIDE FACE OF FLANGE |
| III END ITEM IDENTIFICATION | GUN SIGHT MK29 |
Restrictions/Controls & Freight Information | NSN 1240-00-159-0537
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 1240-00-159-0537
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9N | Navy-owned stocks of defense electronic material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9E | Defense Supply Center Columbus Columbus, OH 43218 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |