NSN 1240-00-420-9123 10541928, 00-420-9123, 004209123
Product Details | OPTICAL ELEMENT RETAINER
1240-00-420-9123 A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.20312400038Optical Sighting and Ranging Equipment58550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories
Part Alternates: 10541928, 1240-00-420-9123, 00-420-9123, 1240004209123, 004209123
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 12 MAR 1969 | 00-420-9123 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
Drawings & Photos | NSN 1240-00-420-9123
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Technical Data | NSN 1240-00-420-9123
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | F5 SHOULDERED |
| SHOULDER LENGTH | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| TAPERED HOLE MINOR DIAMETER | 1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| TAPER ANGLE IN DEG | 10.5 |
| OVERALL LENGTH | 0.422 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| FLANGE DIAMETER | 1.328 INCHES MINIMUM AND 1.344 INCHES MAXIMUM |
| SHOULDER THREAD SIZE | 1.188 IN.-32UNS-2A |
| MATERIAL | PLASTIC, MIL-M-14, TYPE MFE |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| DEPTH | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |
| SPECIAL FEATURES | GROOVE ADJACENT TO SHOULDER THREAD,0.047 IN. W,0.047 IN. DEEP. |
| III FSC APPLICATION DATA | PERISCOPE,TANK M32,M32C,M35,M36 |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 10541928 |
Restrictions/Controls & Freight Information | NSN 1240-00-420-9123
| 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: | 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 | 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 | 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 |