5305-01-243-1787 SCREW,SHOULDER Index 5970-01-243-1789 INSULATOR,STANDOFF

National Stock Number:
5305-01-243-1788

Federal Supply Class:
5305

National Item Identification Number:
012431788

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:
CF0163-00122915NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV
D7910S-6-817446HUCK INTERNATIONAL, INC
D7910S-6-876301THE BOEING COMPANY
D7910S-6-897928HUCK INTL INC


Techincal Specification:
FASTENER LENGTH1.029 INCHES NOMINAL
HEAD DIAMETER0.270 INCHES NOMINAL
HEAD HEIGHT0.111 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
MATERIALSTEEL COMP 302 FASTENER
MATERIALSTEEL COMP 302 SPRING
MATERIALSTEEL COMP 303 STAND-OFF
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD LENGTH0.312 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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