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		                             National Stock Number: 5305-01-597-5504
  Federal Supply Class: 5305
  National Item Identification Number: 015975504
  Description: SCREW,PANEL FASTENER
  Detail: A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. The screw fastener is used in conjunction with a speed nut to facilitate fastening two items. 
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  Manufacturer Information:
 | 6508508-3 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | FRBWW/3/7500-10-C-4 | 1U749 | ENFASCO, INC. |  | FRBWW3750010C4 | 0HDW7 | HUCK INTERNATIONAL, INC. |  | FRBWW3750010C4 | 17446 | HUCK INTERNATIONAL, INC |   
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  Techincal Specification:
 | FASTENER LENGTH | 0.672 INCHES MINIMUM AND 0.682 INCHES MAXIMUM |  | HEAD DIAMETER | 0.451 INCHES NOMINAL |  | HEAD HEIGHT | 0.520 INCHES NOMINAL |  | HEAD STYLE | FLAT CHAMFER |  | INTERNAL DRIVE STYLE | SLOT |  | MATERIAL | STEEL CORROSION RESISTING FASTENER |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW PANEL FASTENER |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | SURFACE TREATMENT | ANODIZE HEAD |  | SURFACE TREATMENT | ANODIZE STAND-OFF |  | SURFACE TREATMENT | PASSIVATE FASTENER |  | SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |  | SURFACE TREATMENT | PASSIVATE SECONDARY WASHER |  | SURFACE TREATMENT | PASSIVATE SPRING |  | THREAD CLASS | 3A |  | THREAD LENGTH | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES DESIGNATOR | UNF |   
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