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		                        | National Stock Number:
 5305-01-528-0233
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 015280233
 
 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:
 
 | AVL378-4 | 84256 | AVIBANK MFG., INC. | 
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 Techincal Specification:
 
 | EXTENDED WASHER THICKNESS | 0.050 INCHES NOMINAL |  | EXTENDED WASHER DIAMETER | 0.465 INCHES NOMINAL |  | FASTENER LENGTH | 0.783 INCHES NOMINAL |  | HEAD HEIGHT | 0.620 INCHES NOMINAL |  | HEAD STYLE | HEXAGON EXTENDED WASHER |  | INTERNAL DRIVE STYLE | HEXAGON |  | MATERIAL ACCOMMODATED THICKNESS | 0.200 INCHES NOMINAL |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE SCREW ASSEMBLY |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |  | WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES DESIGNATOR | UNF | 
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