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National Stock Number:
5306-00-752-6845
Federal Supply Class:
5306
National Item Identification Number:
007526845
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:
| 7526845 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES MINIMUM | | FASTENER LENGTH | 0.875 INCHES NOMINAL | | MATERIAL | STEEL COMP 1035 OR | | STEEL COMP 1045 OR | | STEEL COMP 1137 OR | | STEEL COMP 1141 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633-CANC FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE AND | | 57-0-2,TYPE 1,CLASS LSC MFR REF 2ND TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.438 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.344 INCHES NOMINAL FIRST SHOULDER | | SPECIAL FEATURES | UNDERCUT BETWEEN SHOULDER AND THREADS 0.219 IN. DIA. BY 0.062 IN. WIDE |
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