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National Stock Number:
5306-00-279-8872
Federal Supply Class:
5306
National Item Identification Number:
002798872
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:
| 1292164-101 | 0A489 | LOCKHEED MARTIN AEROPARTS, INC. | | 1292164-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.438 INCHES NOMINAL | | FASTENER LENGTH | 1.060 INCHES NOMINAL | | INTERNAL THREAD CLASS | 3B COUNTERBORE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 0.420 INCHES NOMINAL COUNTERBORE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | NOMINAL THREAD SIZE | 0.438 INCHES COUNTERBORE | | STYLE DESIGNATOR | COUNTERBORE THREADED | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.038 INCHES MINIMUM AND 1.041 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF COUNTERBORE | | THREAD QUANTITY PER INCH | 16 | | THREADS PER INCH | 20 COUNTERBORE |
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