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National Stock Number:
5306-01-249-3067
Federal Supply Class:
5306
National Item Identification Number:
012493067
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:
| 3M381-4D25 | 06725 | SPS TECHNOLOGIES, LLC | | 3M381-4D25 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M381-4D25 | 17446 | HUCK INTERNATIONAL, INC | | 3M381-4D25 | 56878 | SPS TECHNOLOGIES, LLC | | 3M381-4D25 | 76301 | THE BOEING COMPANY | | 3M381-4D25 | 97928 | HUCK INTL INC |
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Techincal Specification:
| CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | DISHED HEXAGON | | HEAD HEIGHT | 0.156 INCHES MINIMUM AND | | 0.171 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.3110 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.552 INCHES MINIMUM AND | | 1.572 INCHES MAXIMUM FIRST SHOULDER | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND | | 0.086 INCHES MAXIMUM FIRST HOLE | | FEATURES PROVIDED | FINISHED HEAD | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES MINIMUM AND | | 0.450 INCHES MAXIMUM | | FASTENER LENGTH | 1.972 INCHES MINIMUM AND | | 2.002 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4140 OR | | STEEL COMP 8740 OR | | STEEL COMP 8735 OR | | STEEL COMP 6150 OVERALL | | SURFACE TREATMENT | CADMIUM AND |
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