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National Stock Number:
5306-01-129-4434
Federal Supply Class:
5306
National Item Identification Number:
011294434
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:
| 1021-3 | 74410 | SAF-HOLLAND, INC. | | XA-1021-3 | 74410 | SAF-HOLLAND, INC. |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.219 INCHES NOMINAL | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD LENGTH | 0.156 INCHES NOMINAL CONCENTRIC HOLE | | MATERIAL | STEEL COMP 1021 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES CONCENTRIC HOLE | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF CONCENTRIC HOLE | | THREAD QUANTITY PER INCH | 20 | | THREADS PER INCH | 28 CONCENTRIC HOLE |
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