5306-01-068-5492, BOLT,INTERNALLY RELIEVED BODY

5306-01-068-5493 BOLT,INTERNALLYRELIEVEDBODY

National Stock Number:
5306-01-068-5492

Federal Supply Class:
5306

National Item Identification Number:
010685492

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:

1818051-1

03956

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

CONCENTRIC HOLE DIAMETER	0.218 INCHES NOMINAL
FASTENER LENGTH	1.324 INCHES MINIMUM AND 1.364 INCHES MAXIMUM
HEAD HEIGHT	0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIAL FEATURES	UNDERCUT DIA BETWEEN HEAD AND THREADS 0.125 IN. WIDE BY 0.314 IN. DIA
WIDTH BETWEEN FLATS	0.437 INCHES NOMINAL
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.184 INCHES MINIMUM AND 1.254 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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