NSN 5210-01-630-4012 534120 , 01-630-4012, 016304012
Product Details | OPTICAL FLAT
5210-01-630-4012 A flat, transparent piece of glass, generally of fused quartz, with one or both principal surfaces polished to within a few millionths of an inch of a true plane. It is used in conjunction with a monochromatic light source to measure the flatness of precision finished surfaces, and to determine the distance and parallelism between precision finished surfaces by comparison with known standards. In operation the flat is superimposed, reference surface downward, on the parts under test and when illuminated by monochromatic light the rays reflected from the reference surface are either reinforced or neutralized by the rays reflected from the surface under test producing interference bands which reveal any variations in the thickness of the film of air between surface under test and the flat. Excludes optical parallels.
Part Alternates: 534120 , 5210-01-630-4012, 01-630-4012, 5210016304012, 016304012
Measuring Tools | Measuring Tools, Craftsmen's
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 52 | 2014216 | 01-630-4012 | 18274 ( OPTICAL FLAT ) |
Cross Reference | NSN 5210-01-630-4012
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 534120 | 3FGN1 | ADVANCED OPTICS INC |
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Related Products | NSN 5210-01-630-4012
Technical Data | NSN 5210-01-630-4012
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, BOROSILICATE CROWN |
| DIAMETER | 5.0 INCHES NOMINAL |
| THICKNESS | 0.750 INCHES NOMINAL |
| CASE | PROVIDED |
Restrictions/Controls & Freight Information | NSN 5210-01-630-4012
| 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. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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 | ||