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National Stock Number: 5306-00-523-1005
Federal Supply Class: 5306
National Item Identification Number: 005231005
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:
5231005 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | 5231005 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | 5306005231005 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | 5306005231005 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
FASTENER LENGTH | 1.188 INCHES NOMINAL | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | HEAD HEIGHT | 0.250 INCHES NOMINAL | HEAD STYLE | HEXAGON | MATERIAL | STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 1139 OR STEEL COMP 1140 OVERALL | NOMINAL THREAD DIAMETER | 0.438 INCHES | SHOULDER DIAMETER | 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER LENGTH | 0.328 INCHES NOMINAL FIRST SHOULDER | SPECIAL FEATURES | WASHER FACED BEARING SURFACE ON HEAD AND UNDERCUT BELOW HEAD 0.468 IN DIA BY 0.062 IN. LG AND UNDERCUT BELOW SHOULDER 0.468 IN. DIA BY 0.062 IN. LG | WIDTH BETWEEN FLATS | 0.737 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | SURFACE TREATMENT | OXIDE OVERALL | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.469 INCHES MINIMUM | THREAD QUANTITY PER INCH | 20 | THREAD SERIES DESIGNATOR | UNF |
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