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National Stock Number:
5306-00-260-7507
Federal Supply Class:
5306
National Item Identification Number:
002607507
Description:
BOLT,SQUARE NECK
Detail:
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
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Manufacturer Information:
| 5/16-18UNC-2AX6-1/2IN.LG TABLE 2 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B18.5 5/16-18X6.5 RH HD SQ NE | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | FFB584 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FFB584TYPE1CLASS1STYLEA | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM | | FASTENER LENGTH | 6.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-B-584 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | | HEAD STYLE | BUTTON | | HEAD DIAMETER | 0.688 INCHES MINIMUM AND | | 0.719 INCHES MAXIMUM | | HEAD HEIGHT | 0.156 INCHES MINIMUM AND | | 0.176 INCHES MAXIMUM | | NECK LENGTH | 0.156 INCHES MINIMUM AND | | 0.187 INCHES MAXIMUM | | NECK WIDTH | 0.307 INCHES MINIMUM AND | | 0.324 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND | | A STYLE AND | | 1 CLASS |
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