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National Stock Number:
5306-01-055-6211
Federal Supply Class:
5306
National Item Identification Number:
010556211
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:
| 0N198955 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.078 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.046 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.040 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD DIAMETER | 0.320 INCHES NOMINAL | | HEAD HEIGHT | 0.069 INCHES NOMINAL | | HEAD STYLE | BALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.156 INCHES NOMINAL | | SHOULDER LENGTH | 0.406 INCHES NOMINAL | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC |
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