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		                             National Stock Number: 5306-01-159-6572
  Federal Supply Class: 5306
  National Item Identification Number: 011596572
  Description: BOLT,INTERNALLY RELIEVED BODY
  Detail: An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE. 
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  Manufacturer Information:
 | 801519-3 | 29780 | MAG AEROSPACE INDUSTRIES, LLC |  | 801519-3 | 92824 | MAG AEROSPACE INDUSTRIES INC. DBA MONOGRAMSYSTEMS DBA MONOGRAM SYSTEMS |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNF |  | NOMINAL THREAD DIAMETER | 0.625 INCHES |  | THREAD QUANTITY PER INCH | 18 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.953 INCHES NOMINAL |  | FASTENER LENGTH | 1.391 INCHES NOMINAL |  | MATERIAL | STEEL COMP 4037 OR |   | STEEL COMP 8630 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR |   | MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM AND |   | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |  | CONCENTRIC HOLE DIAMETER | 0.437 INCHES NOMINAL |  | HEAD STYLE | HEXAGON |  | HEAD HEIGHT | 0.328 INCHES MINIMUM AND |   | 0.360 INCHES MAXIMUM |  | WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND |   | 0.940 INCHES MAXIMUM |   
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