|
|
|
National Stock Number:
5305-01-422-8568
Federal Supply Class:
5305
National Item Identification Number:
014228568
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.
|
Manufacturer Information:
| AVL229-4K20 | 84256 | AVIBANK MFG., INC. | | C3186-4K20 | 81755 | LOCKHEED MARTIN CORPORATION | | CA2898-20SK | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | FTK7015SK-4-20 | 58794 | FASTENER TECHNOLOGY CORP |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 1.972 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, 300 SERIES FED SPEC ALL MATERIAL RESPONSES OR | | AMS 5640, 300 SERIES ASSN STD ALL MATERIAL RESPONSES OR | | ASTM-A555, 300 SERIES ASSN STD ALL MATERIAL RESPONSES OR | | ASTM A581, 300 SERIES ASSN STD ALL MATERIAL RESPONSES OR | | QQ-W-423, 300 SERIES FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 5 | | HEAD DIAMETER | 0.485 INCHES MINIMUM AND | | 0.515 INCHES MAXIMUM | | HEAD HEIGHT | 0.278 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT |
|
|