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National Stock Number:
5305-01-207-3028
Federal Supply Class:
5305
National Item Identification Number:
012073028
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:
| C7997-4-12 | 17446 | HUCK INTERNATIONAL, INC | | C7997-4-12 | 58794 | FASTENER TECHNOLOGY CORP | | C7997-4-12 | 81755 | LOCKHEED MARTIN CORPORATION | | CA2929-12 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | CA2929-4-12 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | HEAD HEIGHT | 0.240 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR ASTM A582 ASSN STD 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.350 INCHES MINIMUM AND 0.390 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 | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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