Part Number: 390505-8-B-5

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CONDITION:
NS
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.80249
HUCK INTL INC97928
HUCK INTERNATIONAL, INC.0HDW7
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
FASTENER LENGTH0.775 INCHES MINIMUM AND 0.795 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.335 INCHES MAXIMUM
MATERIAL ACCOMMODATED THICKNESS0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATERIALALUMINUM ALLOY 6061 STAND-OFF
MATERIALSTEEL COMP 302 FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 305 FASTENER OR STEEL COMP 316 FASTENER OR STEEL COMP 321 FASTENER OR STEEL COMP 347 FASTENER OR STEEL COMP 384 FASTENER OR STEEL COMP 385 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENTOXIDE FASTENER
SURFACE TREATMENTPAINT STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CL2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
THREAD SERIES DESIGNATORUNC
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.