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National Stock Number:
5305-01-171-8104
Federal Supply Class:
5305
National Item Identification Number:
011718104
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:
| 28080-4-13P | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | GS553E4-13P | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM | | HEAD DIAMETER | 0.915 INCHES MINIMUM AND 0.945 INCHES MAXIMUM | | HEAD HEIGHT | 0.930 INCHES MINIMUM AND 0.990 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 6 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL ACCOMMODATED THICKNESS | 0.062 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,TYPE 18-8 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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