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National Stock Number:
5306-01-394-4519
Federal Supply Class:
5306
National Item Identification Number:
013944519
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:
| A51B24668-17 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B24668-17 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B24668-17 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.610 INCHES MINIMUM | | FASTENER LENGTH | 2.427 INCHES MINIMUM AND | | 3.642 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 49.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | SHOULDER DIAMETER | 1.1468 INCHES MINIMUM AND | | 1.1473 INCHES MAXIMUM | | SHOULDER LENGTH | 3.032 INCHES MINIMUM AND | | 3.037 INCHES MAXIMUM | | CONCENTRIC HOLE DEPTH | 2.592 INCHES MINIMUM AND | | 2.597 INCHES MAXIMUM | | CONCENTRIC HOLE DIAMETER | 0.499 INCHES MINIMUM AND | | 0.506 INCHES MAXIMUM | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 1.710 INCHES NOMINAL | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND | | 0.150 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.625 INCHES NOMINAL | | HOLE DIAMETER | 0.106 INCHES MINIMUM AND | | 0.116 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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