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National Stock Number: 5306-00-828-0045
Federal Supply Class: 5306
National Item Identification Number: 008280045
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:
727381-3 | 57928 | SONIC INDUSTRIES, INC. | 727381-3 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNF | NOMINAL THREAD DIAMETER | 0.250 INCHES | THREAD QUANTITY PER INCH | 1/4-28 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.350 INCHES MAXIMUM | FASTENER LENGTH | 2.035 INCHES NOMINAL | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 4037 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR | | AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | NICKEL OVERALL | HEAD STYLE | HEXAGON | HEAD HEIGHT | 0.188 INCHES NOMINAL | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER DIAMETER | 0.3733 INCHES MINIMUM AND | | 0.3742 INCHES MAXIMUM FIRST SHOULDER | SHOULDER LENGTH | 1.685 INCHES NOMINAL FIRST SHOULDER | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.855 INCHES NOMINAL FIRST HOLE | SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM FIRST HOLE | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 98897 | DESIGN CONTROL REFERENCE | 727381-3 |
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