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National Stock Number:
5306-00-248-8666
Federal Supply Class:
5306
National Item Identification Number:
002488666
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:
| FFB584 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.781 INCHES MINIMUM AND | | 0.812 INCHES MAXIMUM | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | MATERIAL | STEEL COMP 1552 OVERALL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | HARDNESS RATING | 95.5 ROCKWELL B NOMINAL OVERALL | | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | | HEAD STYLE | BUTTON | | HEAD DIAMETER | 0.782 INCHES MINIMUM AND | | 0.844 INCHES MAXIMUM | | HEAD HEIGHT | 0.182 INCHES MINIMUM AND | | 0.208 INCHES MAXIMUM | | NECK LENGTH | 0.188 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | | NECK WIDTH | 0.368 INCHES MINIMUM AND | | 0.388 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | I TYPE AND | | 1 CLASS AND | | A STYLE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB584 |
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