AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Counterbore Machine |
| Federal Supply Group (FSG) | Hand Tools |
| Federal Supply Class (FSC) | 5133 Drill Bits Counterbores and Countersinks Hand and Machine |
| National Item Identification Number (NIIN) | 01-373-6809 (013736809) |
| NCB Code | USA (01) |
| Manufacturer | Cleveland Twist Drill Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | STEEL OVERALL |
| AAVL | PILOT DIAMETER | 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AKZH | CUTTING END STYLE | INTERCHANGEABLE PILOT |
| AKZK | TAPER SHANK SIZE DESIGNATOR | 1 MORSE |
| ABHP | OVERALL LENGTH | 4.312 INCHES NOMINAL |
| AKZL | NOMINAL CUTTING DIAMETER | 0.5625 INCHES |
| AKZQ | PILOT HOLE NOMINAL DIAMETER | 0.188 INCHES |
| CBBL | FEATURES PROVIDED | REPLACEABLE PILOT |
| ALAR | FLUTE QUANTITY | 3 |
| AAZF | SHANK STYLE | STANDARD TAPER W/TANG |
| Relevant Components for NSN - 5133-01-373-6809, 5133013736809 | ||||
| 5133-01-399-1230 (5133013991230) | 5120-01-579-7620 (5120015797620) | 5120-01-529-5360 (5120015295360) | 5120-01-363-6533 (5120013636533) | |
| 5120-01-536-1062 (5120015361062) | 5120-01-581-1835 (5120015811835) | 5120-01-486-2092 (5120014862092) | 5120-01-428-4792 (5120014284792) | |
| 5180-01-454-2889 (5180014542889) | 5120-01-280-0077 (5120012800077) | 5120-00-632-9451 (5120006329451) | 5120-01-486-2209 (5120014862209) | |
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