5306-00-130-8929, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-130-8929

Federal Supply Class:
5306

National Item Identification Number:
001308929

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:

4G53629-103A

98897

LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	5.245 INCHES NOMINAL FIRST HOLE
CONCENTRIC HOLE DIAMETER	1.110 INCHES NOMINAL
COUNTERBORE DIAMETER	1.625 INCHES NOMINAL
COUNTERBORE DEPTH	0.915 INCHES MINIMUM AND 0.925 INCHES MAXIMUM
FASTENER LENGTH	5.450 INCHES NOMINAL
HEAD DIAMETER	2.750 INCHES NOMINAL
HEAD HEIGHT	0.188 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	ST-05-501,FSCM 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	1.875 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	2.334 INCHES MINIMUM AND 2.344 INCHES MAXIMUM
STYLE DESIGNATOR	COUNTERBORE UNTHREADED
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH	8

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