| Item Name | Drill Twist |
| INC Code | 05237 |
| Federal Supply Group (FSG) | Hand Tools |
| Federal Supply Class (FSC) | 5133 Drill Bits Counterbores and Countersinks Hand and Machine |
| National Item Identification Number (NIIN) | 00-864-4957 (008644957) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | STEEL, HIGH SPEED OVERALL |
| BBDT | POINT TYPE | CONVENTIONAL |
| AKZH | CUTTING END STYLE | STEP DRILL |
| AAZE | SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 2.620 INCHES NOMINAL |
| AAZF | SHANK STYLE | STRAIGHT ROUND |
| AKZL | NOMINAL CUTTING DIAMETER | 0.2199 INCHES AND 0.2500 INCHES |
| AKZV | CUTTING ROTATION DIRECTION | RIGHT-HAND |
| FEAT | SPECIAL FEATURES | 90 DEG INCLUDED ANGLE COUNTERSINK |
| ALAB | SMALL FLUTED SECTION LENGTH | 0.488 INCHES NOMINAL |
| ALAR | FLUTE QUANTITY | 2 |
| CSKR | POINT ANGLE | 118.0 DEGREES NOMINAL |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM |
| Relevant Components for NSN - 5133-00-864-4957, 5133008644957 | ||||
| 5133-01-180-2739 (5133011802739) | 5133-00-841-8689 (5133008418689) | 5133-00-262-2168 (5133002622168) | 5133-01-095-4750 (5133010954750) | |
| 5133-00-293-2897 (5133002932897) | 5133-00-187-9237 (5133001879237) | 5133-01-372-7728 (5133013727728) | 5133-00-204-1990 (5133002041990) | |
| 5133-01-095-4762 (5133010954762) | 5133-00-243-2307 (5133002432307) | 5133-01-596-2304 (5133015962304) | 5133-01-377-6149 (5133013776149) | |
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