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National Stock Number:
5306-00-207-8568
Federal Supply Class:
5306
National Item Identification Number:
002078568
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:
| 70-6-32 | 99238 | AIR FORCE STANDARD | | FFB751TYPEC2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 3.250 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD DIAMETER | 0.813 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | NECK LENGTH | 0.281 INCHES NOMINAL | | NECK WIDTH | 0.375 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | NONDEFINITIVE SPEC/STD DATA | C2 TYPE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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