5306-00-250-6049, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-250-6049

Federal Supply Class:
5306

National Item Identification Number:
002506049

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:

4J13676-103A

98897

LOCKHEED MARTIN CORP

Techincal Specification:

CONCENTRIC HOLE DEPTH	0.750 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.374 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	6.330 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	6.480 INCHES NOMINAL
HEAD DIAMETER	1.090 INCHES NOMINAL
HEAD HEIGHT	0.100 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.454 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM

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