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National Stock Number:
5306-00-321-9006
Federal Supply Class:
5306
National Item Identification Number:
003219006
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:
| 1210188-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 1.000 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.130 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD CLASS | 3B CONCENTRIC HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 135000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES CONCENTRIC HOLE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SHOULDER DIAMETER | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM | | SHOULDER LENGTH | 1.120 INCHES NOMINAL | | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED | | SPECIAL FEATURES | SLOTTED HEAD | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.600 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD SERIES | UNJF CONCENTRIC HOLE | | THREAD QUANTITY PER INCH | 28 | | THREADS PER INCH | 28 CONCENTRIC HOLE |
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