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National Stock Number:
5305-00-489-6530
Federal Supply Class:
5305
National Item Identification Number:
004896530
Description:
SETSCREW
Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 687227-1 | 03640 | LOCKHEED MARTIN CORPORATION | | 6872271-1 | 03640 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 4.255 INCHES NOMINAL | | HEAD HEIGHT | 0.580 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 416 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | BALL | | POINT DIAMETER | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | POINT LENGTH | 0.213 INCHES NOMINAL | | SPECIAL FEATURES | DRILLED HOLE IN SHANK 0.093 IN. DIA 3.262 IN. FROM BEARING SURFACE OF HEAD TO CENTER OF HOLE IN SHANK | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.697 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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