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National Stock Number: 5305-01-301-1963
Federal Supply Class: 5305
National Item Identification Number: 013011963
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.
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Manufacturer Information:
003-008932-057 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION | CA28080-04-4PK | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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Techincal Specification:
HEAD DIAMETER | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM | HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING | MATERIAL | STEEL COMP 302 SPRING | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 347 OR STEEL COMP 303 PLUS X FASTENER | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 347 OR STEEL COMP 303 PLUS X STAND-OFF | NOMINAL THREAD DIAMETER | 0.112 INCHES | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | THREAD CLASS | 3A | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 40 |
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