|
|
National Stock Number: 5306-00-514-7534
Federal Supply Class: 5306
National Item Identification Number: 005147534
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.
|
Manufacturer Information:
70-8-40 | 80049 | DEPARTMENT OF THE AIR FORCE | FFB571 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
|
Techincal Specification:
FASTENER LENGTH | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM | HEAD DIAMETER | 1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM | HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | HEAD STYLE | BUTTON | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH | NECK LENGTH | 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | NECK WIDTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | NOMINAL THREAD DIAMETER | 0.500 INCHES | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.125 INCHES MINIMUM | THREAD QUANTITY PER INCH | 13 | THREAD SERIES DESIGNATOR | UNC |
|