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		                        | National Stock Number:
 5305-01-175-0610
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 011750610
 
 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:
 
 | CA21070-6-2HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |  | FIT7289-6-2 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |  | GS520CK6-02 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNF |  | NOMINAL THREAD DIAMETER | 0.375 INCHES |  | THREAD QUANTITY PER INCH | 24 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.635 INCHES MINIMUM AND |  |  | 0.795 INCHES MAXIMUM |  | FASTENER LENGTH | 0.925 INCHES MINIMUM AND |  |  | 0.945 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 8740 OR |  |  | STEEL COMP 4140 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR |  |  | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM AND |  |  | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT COUNTERSUNK |  | HEAD DIAMETER | 0.518 INCHES MINIMUM AND |  |  | 0.528 INCHES MAXIMUM |  | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |  |  | 101.0 DEGREES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.218 INCHES MINIMUM AND |  |  | 0.221 INCHES MAXIMUM | 
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