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National Stock Number:
5306-00-816-8835
Federal Supply Class:
5306
National Item Identification Number:
008168835
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:
| 37418-3 | 82106 | PARKER-HANNIFIN CORPORATION |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.437 INCHES NOMINAL | | COUNTERBORE DEPTH | 1.375 INCHES NOMINAL | | FASTENER LENGTH | 1.980 INCHES NOMINAL | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.130 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHOULDER DIAMETER | 0.6240 INCHES MINIMUM AND 0.6243 INCHES MAXIMUM | | SHOULDER LENGTH | 1.460 INCHES MINIMUM AND 1.470 INCHES MAXIMUM | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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