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


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