5306-00-311-8231, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-311-8231

Federal Supply Class:
5306

National Item Identification Number:
003118231

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:

1292696-107

98897

LOCKHEED MARTIN CORP

Techincal Specification:

CONCENTRIC HOLE DEPTH	2.290 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.405 INCHES MINIMUM AND 0.412 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.960 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	3.070 INCHES NOMINAL
HEAD HEIGHT	0.125 INCHES NOMINAL
HEAD DIAMETER	1.125 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER	0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.6239 INCHES MINIMUM AND 0.6244 INCHES MAXIMUM
SHOULDER LENGTH	2.730 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.875 INCHES NOMINAL
THREAD CLASS	3A
THREAD LENGTH	0.269 INCHES MINIMUM AND 0.305 INCHES MAXIMUM

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