5307-01-391-0297 STUD,SHOULDERED AND STEPPED Index 5330-01-391-0299 GASKET

National Stock Number:
5305-01-391-0298

Federal Supply Class:
5305

National Item Identification Number:
013910298

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:
871113-30120418DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING
871113-30198255DRS SUSTAINMENT SYSTEMS INC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.953 INCHES NOMINAL
MATERIALSTEEL COMP 631 SPRING
STEEL COMP 303 STAND-OFF
STEEL COMP 630 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5678 ASSN STD SINGLE MATERIAL RESPONSE SPRING
ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTPASSIVATE OVERALL
LUBRICANT THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MIL-L-46010 MIL SPEC SINGLE TREATMENT RESPONSE THREADS
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.550 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.313 INCHES MINIMUM AND
0.316 INCHES MAXIMUM
FEATURES PROVIDEDDRY FILM LUBRICANT
SPECIAL FEATURESDRILLED HEAD, SIX HOLES 0.062 IN. DIA., PLUS 0.005 IN., MINUS 0.001 IN.


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