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National Stock Number:
5306-00-752-1949
Federal Supply Class:
5306
National Item Identification Number:
007521949
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:
| 7521949 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 913357 | 58275 | SASCO INC CANADIAN DIV | | 997A3 | 56442 | DIAMOND REO TRUCK CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | FASTENER LENGTH | 2.938 INCHES NOMINAL | | MATERIAL | STEEL COMP 8635 OR | | STEEL COMP 8637 OR | | STEEL COMP 8640 OR | | STEEL COMP 3135 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 39.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 0.688 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.460 INCHES MINIMUM AND | | 0.480 INCHES MAXIMUM | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.4450 INCHES MINIMUM AND | | 0.4460 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.156 INCHES NOMINAL FIRST SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19207 | | DESIGN CONTROL REFERENCE | 7521949 |
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