5306-01-331-1273 BOLT,CLOSE TOLERANCE Index 5310-01-331-1275 NUT,SELF-LOCKING,DOUBLE HEXAGON

National Stock Number:
5305-01-331-1274

Federal Supply Class:
5305

National Item Identification Number:
013311274

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:
CA28080C3-10HS29372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
FASTENER LENGTH0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
HEAD DIAMETER0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HEAD HEIGHT0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL ACCOMMODATED THICKNESS0.062 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W9423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIALIRON ALLOY 660 FASTENER
MATERIALSTEEL COMP 302 SPRING
MATERIALSTEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303SE STAND-OFF
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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