5306-01-215-6731, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-215-6731

Federal Supply Class:
5306

National Item Identification Number:
012156731

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:

70209-26009-101	4A014	RICHARD MANUFACTURING CO., INC.
70209-26009-101	4GP55	ACUFAST AIRCRAFT PRODUCTS
70209-26009-101	78286	SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	5.136 INCHES NOMINAL FIRST HOLE
CONCENTRIC HOLE DIAMETER	0.500 INCHES NOMINAL
FASTENER LENGTH	5.400 INCHES NOMINAL
HEAD HEIGHT	0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES
PRECIOUS MATERIAL	SILVER
PRECIOUS MATERIAL AND LOCATION	THREADS SILVER
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	1.426 INCHES MINIMUM AND 1.440 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT	PASSIVATE HEAD
SURFACE TREATMENT	PASSIVATE GRIP
SURFACE TREATMENT	SILVER THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.775 INCHES NOMINAL
THREAD QUANTITY PER INCH	12
THREAD SERIES DESIGNATOR	UNJF

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