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National Stock Number:
5306-00-003-6543
Federal Supply Class:
5306
National Item Identification Number:
000036543
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:
| A51B24628-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B24628-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B24628-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.610 INCHES MINIMUM | | FASTENER LENGTH | 2.494 INCHES MINIMUM AND | | 2.499 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 49.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | SHOULDER DIAMETER | 0.8675 INCHES MINIMUM AND | | 0.8686 INCHES MAXIMUM | | SHOULDER LENGTH | 1.884 INCHES MINIMUM AND | | 1.889 INCHES MAXIMUM | | CONCENTRIC HOLE DEPTH | 1.674 INCHES MINIMUM AND | | 1.689 INCHES MAXIMUM | | CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 1.335 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.250 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.297 INCHES MINIMUM AND | | 2.302 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND | | 0.116 INCHES MAXIMUM FIRST HOLE |
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