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National Stock Number:
5306-00-121-9441
Federal Supply Class:
5306
National Item Identification Number:
001219441
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:
| 12L10031-15 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.634 INCHES NOMINAL | | COUNTERBORE DEPTH | 1.060 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.854 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 1.875 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.094 INCHES NOMINAL | | FASTENER LENGTH | 5.476 INCHES NOMINAL | | HEAD HEIGHT | 0.656 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SHOULDER DIAMETER | 1.247 INCHES NOMINAL | | SHOULDER LENGTH | 4.065 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.430 INCHES NOMINAL | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.849 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNF |
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