5305-01-229-8977 SCREW,CLOSE TOLERANCE Index 5305-01-229-8979 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-229-8978

Federal Supply Class:
5305

National Item Identification Number:
012298978

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:
28080-3-9P29372HOWMET GLOBAL FASTENING SYSTEMS INC.
GS553E3-9P26512NORTHROP GRUMMAN SYSTEMS CORPORATION
GS553E3-9P58998FASTENER INNOVATION TECHNOLOGY, INC.


Techincal Specification:
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.597 INCHES MAXIMUM
HEAD DIAMETER0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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