NSN 1240-00-520-4660 5204660, 00-520-4660, 005204660
Product Details | OPTICAL ELEMENT RETAINING RING
1240-00-520-4660 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: 5204660, 1240-00-520-4660, 00-520-4660, 1240005204660, 005204660
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01 JAN 1960 | 00-520-4660 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
Demand History | NSN 1240-00-520-4660
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5204660 | 2020-08-221 | 0 | |
| 5204660 | 2019-05-144 | 31 | |
| 5204660 | 2019-03-87 | 22 |
Cross Reference | NSN 1240-00-520-4660
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5204660 | 19200 | US ARMY ARDEC RDECOM |
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Technical Data | NSN 1240-00-520-4660
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL, CORROSION RESISTING |
| THREAD LOCATION | INTERNAL |
| OUTSIDE DIAMETER | 2.527 INCHES MINIMUM AND 2.529 INCHES MAXIMUM |
| INTERNAL FLANGE THICKNESS | 0.219 INCHES NOMINAL |
| INNER GROOVE WIDTH | 0.062 INCHES NOMINAL |
| GROOVE DIAMETER | 2.406 INCHES NOMINAL |
| GROOVE LOCATION | ADJACENT TO INTERNAL FLANGE |
| MOUNTING CONFIGURATION | 2.292-36NS-3B INTERNAL THEADS AROUND APERTURE |
Restrictions/Controls & Freight Information | NSN 1240-00-520-4660
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| 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 | ||