5305-01-154-2269 SCREW,CAP,HEXAGON HEAD Index 5305-01-154-2271 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-154-2270

Federal Supply Class:
5305

National Item Identification Number:
011542270

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:
MS3498-1080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS3498-1096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.225 INCHES MINIMUM AND
0.235 INCHES MAXIMUM
FASTENER LENGTH0.563 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2011 STAND-OFF
STEEL COMP 303 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTANODIZE STAND-OFF
ENAMEL FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
MIL-E-15090 NO 36231 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLEPAN
HEAD DIAMETER0.260 INCHES MINIMUM AND
0.270 INCHES MAXIMUM
HEAD HEIGHT0.090 INCHES MINIMUM AND
0.110 INCHES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SPECIAL FEATURESSCREW COLOR GRAY FED STD 595


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