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National Stock Number:
5306-01-319-9436
Federal Supply Class:
5306
National Item Identification Number:
013199436
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:
| 203-4678510 ITEM 20 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 30-11-7840 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 2.500 INCHES | | THREAD QUANTITY PER INCH | 4 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 15.000 INCHES NOMINAL | | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED | | THREAD SERIES | UNC COUNTERBORE | | NOMINAL THREAD SIZE | 1.500 INCHES COUNTERBORE | | THREADS PER INCH | 6 COUNTERBORE | | INTERNAL THREAD CLASS | 2B COUNTERBORE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 6.000 INCHES MINIMUM COUNTERBORE | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.174 INCHES MINIMUM AND | | 0.175 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 8.750 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.060 INCHES NOMINAL FIRST HOLE | | SPECIAL FEATURES | SLOTTED ON LOWER THREADED 1.880 IN. FRO POINT 0.380 IN. DIA |
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