5306-00-187-7313, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-187-7313

Federal Supply Class:
5306

National Item Identification Number:
001877313

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:

4P51101-103A

98897

LOCKHEED MARTIN CORP

Techincal Specification:

CONCENTRIC HOLE DIAMETER	0.625 INCHES MINIMUM AND 0.628 INCHES MAXIMUM
FASTENER LENGTH	2.720 INCHES NOMINAL
HEAD HEIGHT	0.562 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ST-05-602 FSCM 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	200000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.125 INCHES
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DS30000 FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.820 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	12
WIDTH BETWEEN FLATS	1.614 INCHES MINIMUM AND 1.627 INCHES MAXIMUM

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