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National Stock Number:
5306-00-070-6012
Federal Supply Class:
5306
National Item Identification Number:
000706012
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:
| 123WM10457-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 123WM10457-1 | 27624 | SPS TECHNOLOGIES LLC | | 123WM10457-1 | 56878 | SPS TECHNOLOGIES, LLC | | 123WM10457-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 0.425 INCHES NOMINAL | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.843 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | HEAD DIAMETER | 0.653 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL THREAD CLASS | 3B CONCENTRIC HOLE | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES CONCENTRIC HOLE | | SHOULDER DIAMETER | 0.357 INCHES MINIMUM AND 0.367 INCHES MAXIMUM | | SPECIAL FEATURES | SCREW DRIVER SLOT IN HEAD | | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF CONCENTRIC HOLE | | THREADS PER INCH | 28 CONCENTRIC HOLE |
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