NSN 5133-00-861-5739 AT4887, AT488-7, AT488C7
Product Details | MACHINE COUNTERBORE
5133-00-861-5739 An end cutting tool having two or more cutting edges with flutes or grooves for the passage of cuttings, an integral or removable holder designed for adaption to the end of a machine spindle. The flutes or grooves are usually helical to give a positive rake at the cutting edges. It is designed to form a flat-bottomed enlargement of the mouth of a previously formed cylindrical hole. For items requiring a holder but the holder is not included, use CUTTER, COUNTERBORE.
Part Alternates: AT4887, AT488-7, AT488C7, AT488C-7, 5133-00-861-5739, 00-861-5739, 5133008615739, 008615739
Hand Tools | Drill Bits, Counterbores, and Countersinks: Hand and Machine
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 51 | 01 JAN 1962 | 00-861-5739 | 05259 ( COUNTERBORE, MACHINE ) |
Drawings & Photos | NSN 5133-00-861-5739
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Technical Data | NSN 5133-00-861-5739
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | NOT RATED |
| CUTTING END STYLE | 22 INTERCHANGEABLE PILOT |
| SHANK STYLE | 76 STRAIGHT ROUND |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| NOMINAL CUTTING DIAMETER | 0.4380 INCHES |
| FLUTE QUANTITY | 4 |
| FEATURES PROVIDED | REPLACEABLE PILOT |
| PILOT HOLE NOMINAL DIAMETER | 0.125 INCHES |
Restrictions/Controls & Freight Information | NSN 5133-00-861-5739
| 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 |
|---|---|---|
| No Freight Information | ||