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National Stock Number:
5306-01-021-6835
Federal Supply Class:
5306
National Item Identification Number:
010216835
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:
| 612R041 | 98939 | AEROCONTROLEX GROUP, INC. |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 1.340 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.375 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.281 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.900 INCHES MINIMUM AND 0.910 INCHES MAXIMUM | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.175 INCHES MINIMUM AND 1.176 INCHES MAXIMUM | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OVERALL | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | SPECIAL FEATURES | EXTERNAL HEX DRIVE ON THREADED END | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | EPS4 FSCM 98939 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.969 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 14 | | THREAD SERIES DESIGNATOR | UNF |
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