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National Stock Number:
5136-01-337-8981
Federal Supply Class:
5136
National Item Identification Number:
013378981
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:
| 11901 | 92061 | BENDIX CORP THE INDUSTRIAL TOOLS DIV SOUTH BELOIT PLANT | | B94.9 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B94.9 1/4-28 UNF HS C H3 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | MODIFIED BY THREAD PITCH DIAMETERS | | FLUTE QUANTITY | 3 | | LENGTH | 0.312 INCHES NOMINAL SQUARE END | | MATERIAL | STEEL OVERALL | | OVERALL LENGTH | 2.500 INCHES NOMINAL | | SHANK DIAMETER | 0.318 INCHES MINIMUM | | SPECIFICATION/STANDARD DATA | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | STARTING CHAMFER TYPE | PLUG | | STYLE DESIGNATOR | SPIRAL FLUTE | | THREAD DIRECTION | RIGHT-HAND | | THREAD FORMING METHOD | CUT | | THREAD LENGTH | 1.130 INCHES MINIMUM | | THREAD PITCH DIAMETERS | +0.2273 TO 0.2288 INCHES | | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-28 UNF | | THREAD STRUCTURE | REGULAR | | WIDTH ACROSS FLATS | 0.191 INCHES NOMINAL |
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