5305-01-222-0825 SCREW,CLOSE TOLERANCE Index 5305-01-222-0827 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-222-0826

Federal Supply Class:
5305

National Item Identification Number:
012220826

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:
28080-4-10P29372HOWMET GLOBAL FASTENING SYSTEMS INC.
GS553E4-10P26512NORTHROP GRUMMAN SYSTEMS CORPORATION
GS553E4-10P58998FASTENER INNOVATION TECHNOLOGY, INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.360 INCHES MINIMUM AND
0.390 INCHES MAXIMUM
FASTENER LENGTH0.610 INCHES MINIMUM AND
0.640 INCHES MAXIMUM
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLETHUMB NO. 3
HEAD DIAMETER0.915 INCHES MINIMUM AND
0.945 INCHES MAXIMUM
HEAD HEIGHT0.930 INCHES MINIMUM AND
0.990 INCHES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL ACCOMMODATED THICKNESS0.062 INCHES NOMINAL


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