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National Stock Number: 5306-00-122-4898
Federal Supply Class: 5306
National Item Identification Number: 001224898
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:
1166508 | 18355 | THE BOEING COMPANY | 1166508 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.745 INCHES NOMINAL FIRST HOLE | FASTENER LENGTH | 1.875 INCHES NOMINAL | HEAD HEIGHT | 0.156 INCHES NOMINAL | HEAD STYLE | HEXAGON | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-354 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | NOMINAL THREAD DIAMETER | 0.250 INCHES | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE | SHOULDER DIAMETER | 0.2770 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER LENGTH | 1.438 INCHES NOMINAL FIRST SHOULDER | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.426 INCHES MINIMUM | THREAD QUANTITY PER INCH | 28 | THREAD SERIES DESIGNATOR | UNF |
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