5305-01-309-1521 SCREW,CAP,SOCKET HEAD Index 5970-01-309-1523 INSULATOR,BUSHING

National Stock Number:
5305-01-309-1522

Federal Supply Class:
5305

National Item Identification Number:
013091522

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:
13084867-204939LOCKHEED MARTIN CORPORATION
13084867-258260PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH
CA28080-08B-6HS29372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
FASTENER LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD DIAMETER0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HEAD HEIGHT0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 1
INTERNAL DRIVE STYLEHEXAGON
MATERIAL ACCOMMODATED THICKNESS0.062 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L FASTENER
MATERIALSTEEL COMP 302 SPRING
MATERIALSTEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 416 OR STEEL COMP 303PB OR STEEL COMP 303MA STAND-OFF
NOMINAL THREAD DIAMETER0.164 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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