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National Stock Number:
5306-00-890-0921
Federal Supply Class:
5306
National Item Identification Number:
008900921
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:
| A51M42541-13 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M42541-13 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M42541-13 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.247 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 2.372 INCHES NOMINAL | | HEAD DIAMETER | 0.938 INCHES NOMINAL | | HEAD HEIGHT | 0.063 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | G-1013 COMP D6AC,FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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