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National Stock Number:
5305-01-219-2968
Federal Supply Class:
5305
National Item Identification Number:
012192968
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:
| AVL275-4-18 | 84256 | AVIBANK MFG., INC. | | CA30023-4-18 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | CS5017-4-18 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M591-4-18 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.875 INCHES MAXIMUM | | HEAD HEIGHT | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | IRON ALLOY 660 FASTENER | | MATERIAL | STEEL CORROSION RESISTING SPRING | | MATERIAL | STEEL CORROSION RESISTING STAND-OFF | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | INTERNAL THREADS IN SLEEVE,3/8-24 UNF-3B | | WIDTH ACROSS FLATS | 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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