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		                             National Stock Number: 5306-01-265-3939
  Federal Supply Class: 5306
  National Item Identification Number: 012653939
  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:
 | 10116183 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |  | 74A670262-2001 | 3Z260 | A. J. ASSOCIATES MANUFACTURING & ENGINEERING CO. INC. |  | 74A670262-2001 | 56540 | ASSOCIATED AIRCRAFT MANUFACTURING & SALES, INC. |  | 74A670262-2001 | 58078 | AIRTRONICS, LLC |  | 74A670262-2001 | 76301 | THE BOEING COMPANY |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UN |  | NOMINAL THREAD DIAMETER | 1.750 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 2.050 INCHES MINIMUM AND |   | 2.070 INCHES MAXIMUM |  | FASTENER LENGTH | 2.190 INCHES MINIMUM AND |   | 2.210 INCHES MAXIMUM |  | MATERIAL | STEEL COMP XM-12 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 76301 |  | DESIGN CONTROL REFERENCE | 74A670262-2001 |   
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