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) | 01-366-0168 (013660168) |
| NCB Code | USA (01) |
| Manufacturer | Cleveland Twist Drill Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| BBDT | POINT TYPE | SPLIT |
| AKZH | CUTTING END STYLE | GENERAL PURPOSE |
| CSKR | POINT ANGLE | 135.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | JOBBERS LG; SCREW MACHINE FLUTE LG; FRACTIONAL SIZE 1/4 |
| AAZE | SHANK DIAMETER | 0.250 INCHES NOMINAL |
| MATT | MATERIAL | STEEL, COBALT HIGH SPEED OVERALL |
| CQFM | HARDNESS RATING | NOT RATED |
| ABHP | OVERALL LENGTH | 4.000 INCHES NOMINAL |
| AAZF | SHANK STYLE | STRAIGHT ROUND |
| ALAR | FLUTE QUANTITY | 2 |
| AKZL | NOMINAL CUTTING DIAMETER | 0.2500 INCHES |
| AKZV | CUTTING ROTATION DIRECTION | RIGHT-HAND |
| ALAA | FLUTE LENGTH | 1.375 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| Relevant Components for NSN - 5133-01-366-0168, 5133013660168 | ||||
| 5133-00-203-6471 (5133002036471) | 5133-00-227-5956 (5133002275956) | 5120-01-391-8171 (5120013918171) | 5120-01-399-9309 (5120013999309) | |
| 5120-01-106-3734 (5120011063734) | 5120-01-335-8168 (5120013358168) | 5120-01-476-9379 (5120014769379) | 5120-01-163-6449 (5120011636449) | |
| 5120-01-008-2314 (5120010082314) | 5120-01-180-9316 (5120011809316) | 5120-00-388-0386 (5120003880386) | 5120-01-277-1948 (5120012771948) | |
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