AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Drill Twist |
| Federal Supply Group (FSG) | Hand Tools |
| Federal Supply Class (FSC) | 5133 Drill Bits Counterbores and Countersinks Hand and Machine |
| National Item Identification Number (NIIN) | 01-095-6638 (010956638) |
| NCB Code | USA (01) |
| Manufacturer | Cleveland Twist Drill Co, Precision Twist Drill Co, New York Twist Drill Inc, National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| BBDT | POINT TYPE | SPLIT |
| FEAT | SPECIAL FEATURES | JOBBERS LG; FRACTIONAL SIZE 5/16 |
| ABHP | OVERALL LENGTH | 4.500 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| MATT | MATERIAL | STEEL, HIGH SPEED OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAZE | SHANK DIAMETER | 0.313 INCHES NOMINAL |
| AKZV | CUTTING ROTATION DIRECTION | RIGHT-HAND |
| AKZH | CUTTING END STYLE | GENERAL PURPOSE |
| CQFM | HARDNESS RATING | NOT RATED |
| AAZF | SHANK STYLE | STRAIGHT ROUND |
| ALAR | FLUTE QUANTITY | 2 |
| AKZL | NOMINAL CUTTING DIAMETER | 0.3125 INCHES |
| ALAA | FLUTE LENGTH | 3.188 INCHES NOMINAL |
| CSKR | POINT ANGLE | 118.0 DEGREES NOMINAL |
| Relevant Components for NSN - 5133-01-095-6638, 5133010956638 | ||||
| 5120-00-571-5644 (5120005715644) | 5120-01-008-7940 (5120010087940) | 5120-01-470-4824 (5120014704824) | 5120-01-428-8615 (5120014288615) | |
| 5120-00-410-9854 (5120004109854) | 5120-00-011-2385 (5120000112385) | 5120-01-597-4806 (5120015974806) | 5120-00-234-8741 (5120002348741) | |
| 5120-01-430-5694 (5120014305694) | 5120-01-117-1367 (5120011171367) | 5120-00-777-0504 (5120007770504) | 5120-00-363-8654 (5120003638654) | |
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