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National Stock Number: 5306-01-297-9006
Federal Supply Class: 5306
National Item Identification Number: 012979006
Description: BOLT,SHOULDER
Detail: An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.
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Manufacturer Information:
9538M90P01 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNJF | NOMINAL THREAD DIAMETER | 0.190 INCHES | THREAD QUANTITY PER INCH | 32 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.415 INCHES MINIMUM AND | | 0.445 INCHES MAXIMUM | FASTENER LENGTH | 1.014 INCHES MINIMUM AND | | 1.034 INCHES MAXIMUM | MATERIAL | IRON ALLOY 660 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM BEARING SURFACE OF HEAD | HEAD STYLE | DOUBLE HEXAGON W/HOLE | HEAD HEIGHT | 0.293 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | WIDTH BETWEEN FLATS | 0.3125 INCHES NOMINAL | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND | | 0.070 INCHES MAXIMUM | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER DIAMETER | 0.2485 INCHES MINIMUM AND | | 0.2500 INCHES MAXIMUM FIRST SHOULDER | SHOULDER LENGTH | 0.589 INCHES MINIMUM AND | | 0.599 INCHES MAXIMUM FIRST SHOULDER | SPECIAL FEATURES | BEARING SURFACE OF HEAD NITRIDED CASE TO PRODUCED BY ION-NITRIDING; SURFACE OF SHOULDER CASE HARDEN PER P11TF2 CLA (NITRIDING) CAGEC 07482; SURFACES NOT TO BE NITRIDED MAY BE MASKED BY MECHANICAL MEANS |
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