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National Stock Number:
5136-01-246-0247
Federal Supply Class:
5136
National Item Identification Number:
012460247
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:
| 121538 | 56922 | JARVIS CUTTING TOOLS INC | | B94.9 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B94.9 1/4-28 UNF HS G H2 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B94.9 1/4-28 NF HS G H2 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | B94.9 1/4-28 UNF HS G H2 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | | GGG-T-70 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGG-T-70 TY1SEBSTA | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY STARTING CHAMFER TYPE | | FLUTE QUANTITY | 4 | | 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 | TAPER | | STYLE DESIGNATOR | STRAIGHT FLUTE | | THREAD DIRECTION | RIGHT-HAND | | THREAD FORMING METHOD | GROUND | | THREAD LENGTH | 1.13 INCHES MINIMUM | | THREAD PITCH DIAMETERS | +0.2273 TO 0.2278 INCHES | | THREAD STRUCTURE | REGULAR | | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-28 UNF | | WIDTH ACROSS FLATS | 0.191 INCHES NOMINAL |
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