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National Stock Number:
5306-01-306-2321
Federal Supply Class:
5306
National Item Identification Number:
013062321
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:
| 65850-05221-107 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 5.740 INCHES NOMINAL | | HEAD DIAMETER | 1.625 INCHES NOMINAL | | HEAD HEIGHT | 0.300 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED | | MATERIAL | STEEL COMP 4340 OVERALL | | WIDTH BETWEEN FLATS | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.080 INCHES NOMINAL |
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