5305-01-194-0656 SCREW ASSEMBLY,PANEL Index 5310-01-194-0658 NUT,PLAIN,HEXAGON

National Stock Number:
5305-01-194-0657

Federal Supply Class:
5305

National Item Identification Number:
011940657

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.


Manufacturer Information:
240292-109205LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV
CA13170-06-2-8HS29372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
FASTENER LENGTH0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HEAD DIAMETER0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
HEAD HEIGHT0.195 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL ACCOMMODATED THICKNESS0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIALALUMINUM ALLOY 7075 STAND-OFF
MATERIALSTEEL COMP 302 FASTENER OR STEEL COMP 302B FASTENER OR STEEL COMP 303 FASTENER OR STEEL COMP 303 PLUS X FASTENER OR STEEL COMP 303SE FASTENER OR STEEL COMP 303CU FASTENER OR STEEL COMP 303MA FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 304L FASTENER
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.138 INCHES
WIDTH ACROSS FLATS0.109 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCHROMATE STAND-OFF
SURFACE TREATMENTPASSIVATE FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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