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National Stock Number:
5305-01-528-5751
Federal Supply Class:
5305
National Item Identification Number:
015285751
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:
| 80S13-1-1AA | 71286 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | LEAD THREAD QUANTITY | FOUR | | FASTENER LENGTH | 0.472 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING RING | | STEEL STAND-OFF | | STEEL FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-764, 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE RING | | MIL-S-6045, 6740 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, CLASS 3, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.486 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | MATERIAL ACCOMMODATED THICKNESS | 0.024 INCHES MINIMUM AND | | 0.031 INCHES MAXIMUM |
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