5306-01-179-9462, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-179-9462

Federal Supply Class:
5306

National Item Identification Number:
011799462

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

13204E3398

97403

CECOM LR CENTER

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.810 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.440 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.656 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	3.406 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.7810 INCHES MINIMUM AND 0.7814 INCHES MAXIMUM
HARDNESS RATING
HEAD DIAMETER	1.125 INCHES NOMINAL
HEAD HEIGHT	0.312 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIAL
NOMINAL THREAD DIAMETER	0.750 INCHES
SECOND DIAMETER FROM HEAD	0.7795 INCHES MINIMUM AND 0.7799 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.605 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
THREAD LENGTH	0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH	10
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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