NSN 5210-00-762-8966 D61710Q1S, D617-10Q1S, GG0635
Product Details | OPTICAL FLAT
5210-00-762-8966 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: D61710Q1S, D617-10Q1S, GG0635, 5210-00-762-8966, 00-762-8966, 5210007628966, 007628966
Measuring Tools | Measuring Tools, Craftsmen's
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 52 | 15 OCT 1972 | 00-762-8966 | 18274 ( OPTICAL FLAT ) |
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Technical Data | NSN 5210-00-762-8966
| Characteristic | Specifications |
|---|---|
| DESIGN TYPE | REFERENCE SINGLE |
| MATERIAL | QUARTZ, FUSED |
| WORKING SURFACE FLATNESS ACCURACY | 0.00000010 INCHES NOMINAL |
| DIAMETER | 10.000 INCHES NOMINAL |
| THICKNESS | 1.750 INCHES NOMINAL |
| CASE | PROVIDED |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 CLASS |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GG0635 |
Restrictions/Controls & Freight Information | NSN 5210-00-762-8966
| 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. |
| 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 | 75 | GSA, FSS/FCSC Washington, DC 20406 |
| 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 |