5305-01-255-2678 THUMBSCREW Index 5305-01-255-2680 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-255-2679

Federal Supply Class:
5306

National Item Identification Number:
012552679

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
301078500198PRATT & WHITNEY CANADA CORP


Techincal Specification:
FASTENER LENGTH1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM
HEAD HEIGHT0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 410 OVERALL
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.330 INCHES MINIMUM AND 0.380 INCHES MAXIMUM


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