Product Details | THREAD CUTTING TAP

5136-00-517-5517 An internal threading tool with longitudinally separated cutting edges designed to form specific threads.

Part Alternates: MILT21309, MIL-T-21309, MIL-T-21309 TY1CL4, MILT21309TY1CL4, 256, 2-56, 5136-00-517-5517, 00-517-5517, 5136005175517, 005175517

Hand Tools | Taps, Dies, and Collets; Hand and Machine

Supply Group (FSG) NSN Assign. NIIN
51 00-517-5517

Drawings & Photos | NSN 5136-00-517-5517


Demand History | NSN 5136-00-517-5517

Part Number Request Date QTY Origin
MILT21309 2024-02-52 5 US
256 2013-03-72 15 United States

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Technical Data | NSN 5136-00-517-5517

Characteristic Specifications
STYLE DESIGNATOR M1 STRAIGHT FLUTE
THREAD LENGTH 2.000 INCHES NOMINAL
SHANK DIAMETER 0.625 INCHES NOMINAL
WIDTH ACROSS FLATS 0.489 INCHES NOMINAL
OVERALL LENGTH 4.469 INCHES NOMINAL
SQUARE END LENGTH 0.688 INCHES NOMINAL
MATERIAL AND LOCATION STEEL, HIGH SPEED OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR 18.00 MM STI
THREAD PITCH DIAMETERS 0.7573 TO 0.7593 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD STRUCTURE REGULAR
THREAD FORMING METHOD GROUND
STARTING CHAMFER TYPE PLUG
FLUTE QUANTITY 4
SPECIAL FEATURES SPARK PLUG TAP FOR SCREW THREAD INSERT
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 4 CLASS
DEPARTURE FROM CITED DESIGNATOR AS MOD BY THD LG,W ACROSS FLATS,O/A LG AND PITCH DIA
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-T-21309

Restrictions/Controls & Freight Information | NSN 5136-00-517-5517

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information