5306-01-252-5285 BOLT,SHOULDER Index 5306-01-252-5287 BOLT,SHOULDER

National Stock Number:
5306-01-252-5286

Federal Supply Class:
5306

National Item Identification Number:
012525286

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.


Manufacturer Information:
L3223681-05743999THE BOEING COMPANY


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.882 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH2.053 INCHES MINIMUM AND 2.073 INCHES MAXIMUM
HEAD HEIGHT0.257 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
SHOULDER DIAMETER0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH1.551 INCHES MINIMUM AND 1.571 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
WIDTH BETWEEN FLATS0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.482 INCHES MINIMUM AND 0.522 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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