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National Stock Number:
5306-01-320-9355
Federal Supply Class:
5306
National Item Identification Number:
013209355
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:
| 018-9500-01-0 | 26840 | HALE PRODUCTS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.522 INCHES NOMINAL | | HEAD HEIGHT | 0.540 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD CLASS | 2B CONCENTRIC HOLE | | INTERNAL THREAD DIRECTION | RIGHT-HAND CONCENTRIC HOLE | | INTERNAL THREAD LENGTH | 0.500 INCHES NOMINAL CONCENTRIC HOLE | | MATERIAL | COPPER ALLOY 360 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.438 INCHES CONCENTRIC HOLE | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHOULDER DIAMETER | 0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SHOULDER LENGTH | 0.226 INCHES MINIMUM AND 0.230 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.292 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF CONCENTRIC HOLE | | THREADS PER INCH | 20 CONCENTRIC HOLE |
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