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National Stock Number:
5305-01-449-6990
Federal Supply Class:
5305
National Item Identification Number:
014496990
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:
| 11472500-2 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | FTF7198-121 | 58794 | FASTENER TECHNOLOGY CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | NONSTANDARD THREAD PITCH DIAMETER | 0.2237 TO 0.2268 INCHES | | THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.742 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.172 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.437 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL ACCOMMODATED THICKNESS | 0.156 INCHES MINIMUM AND | | 0.217 INCHES MAXIMUM |
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