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National Stock Number:
5306-01-107-3333
Federal Supply Class:
5306
National Item Identification Number:
011073333
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:
| 12293013 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 0.400 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.1875 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM | | FASTENER LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | HEAD HEIGHT | 0.4500 INCHES MINIMUM AND 0.470 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL THREAD CLASS | 2B COUNTERBORE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A108 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM-A103 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES COUNTERBORE | | WIDTH BETWEEN FLATS | 0.5625 INCHES MINIMUM | | STYLE DESIGNATOR | COUNTERBORE THREADED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF COUNTERBORE | | THREADS PER INCH | 28 COUNTERBORE |
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