AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Drill Step |
| Federal Supply Group (FSG) | Hand Tools |
| Federal Supply Class (FSC) | 5133 Drill Bits Counterbores and Countersinks Hand and Machine |
| National Item Identification Number (NIIN) | 01-146-4578 (011464578) |
| NCB Code | USA (01) |
| Manufacturer | Irwin Industrial Tool Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | HIGH SPEED STEEL; SINGLE BIT; SINGLE FLUTE; DRILLS 9 HOLES SIZE 1/4 TO 3/4 IN. DIA IN 1/16 IN. INCREMENTS; NO PILOT HOLE REQUIRED; FITS 3/8 IN. AND LARGER ELECTRIC DRILLS; 1/8 IN. DEPTH PENETRATION PER STEP |
| FTLD | III FUNCTIONAL DESCRIPTION | USED TO DRILL MULTIPLE SIZE HOLES IN THIN SECTIONS OF METAL UP TO 1/8 IN. THICK AS WELL AS IN PLASTIC AND WOOD |
| Relevant Components for NSN - 5133-01-146-4578, 5133011464578 | ||||
| 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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