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National Stock Number:
5136-01-046-8861
Federal Supply Class:
5136
National Item Identification Number:
010468861
Description:
TAP,THREAD CUTTING
Detail:
An internal threading tool with longitudinally separated cutting edges designed to form specific threads.
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Manufacturer Information:
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Techincal Specification:
| FLUTE QUANTITY | 3 | | LENGTH | 0.312 INCHES NOMINAL SQUARE END | | OVERALL LENGTH | 2.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SHANK DIAMETER | 0.255 INCHES NOMINAL | | SPECIAL FEATURES | 52 DEGREE FLUTE HELIX ANGLE | | THREAD PITCH DIAMETERS | +0.2185 TO 0.2190 INCHES | | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-20 UNIFIED NATIONAL COARSE (UNC) | | THREAD STRUCTURE | REGULAR | | WIDTH ACROSS FLATS | 0.191 INCHES NOMINAL | | STARTING CHAMFER TYPE | PLUG | | STYLE DESIGNATOR | SPIRAL FLUTE | | THREAD DIRECTION | RIGHT-HAND | | THREAD FORMING METHOD | GROUND | | THREAD LENGTH | 1.000 INCHES NOMINAL |
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