5305-01-108-1136 SCREW,CLOSE TOLERANCE Index 4710-01-108-1139 PIPE,METALLIC

National Stock Number:
5305-01-108-1138

Federal Supply Class:
5305

National Item Identification Number:
011081138

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:
1156772918876U S ARMY AVIATION AND MISSILE COMMAND
51-21-209-2494222SOUTHCO INC


Techincal Specification:
FASTENER LENGTH0.937 INCHES NOMINAL
HEAD DIAMETER0.700 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEKNURLED NO. 4
MATERIAL ACCOMMODATED THICKNESS0.094 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES STAND-OFF
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE STAND-OFF
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE FASTENER
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENTPASSIVATE FASTENER
SURFACE TREATMENTPASSIVATE STAND-OFF
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.375 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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