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National Stock Number:
5305-01-465-8552
Federal Supply Class:
5305
National Item Identification Number:
014658552
Description:
SCREW ASSEMBLY,PANEL
Detail:
A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.
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Manufacturer Information:
| HS4103-8B-4 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HS4103-8B-4 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.640 INCHES NOMINAL | | HEAD DIAMETER | 0.315 INCHES NOMINAL | | HEAD HEIGHT | 0.130 INCHES NOMINAL | | HEAD STYLE | MODIFIED PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | MATERIAL ACCOMMODATED THICKNESS | 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING STAND-OFF | | MATERIAL | STEEL FASTENER | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
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