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National Stock Number:
5305-01-317-1320
Federal Supply Class:
5305
National Item Identification Number:
013171320
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:
| CA28080-06-7HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | PMS90402-020C | 04939 | LOCKHEED MARTIN CORPORATION | | PMS90402-020C | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | PMS90402-020C | 34860 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.297 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 SPRING | | STEEL COMP 303 OR | | STEEL COMP 303 PLUS X OR | | STEEL COMP 303SE STAND-OFF | | STEEL COMP 302 OR | | STEEL COMP 302B OR | | STEEL COMP 303SE OR | | STEEL COMP 303CU OR | | STEEL COMP 303MA OR | | STEEL COMP 304 OR | | STEEL COMP 304L FASTENER | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.245 INCHES MINIMUM AND | | 0.275 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL |
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