5306-01-012-9400, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-012-9400

Federal Supply Class:
5306

National Item Identification Number:
010129400

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:

2057D139

0AHP5

CURTISS-WRIGHT CONTROLS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.405 INCHES MINIMUM AND 0.415 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.830 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.730 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATION	AAWC AND AAWE
DISTANCE FROM CENTERLINE TO FLAT	0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	1.420 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.3902 INCHES MINIMUM AND 0.3906 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.300 INCHES NOMINAL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.655 INCHES NOMINAL
HEAD HEIGHT	0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 431 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SECOND DIAMETER FROM HEAD	0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.3902 INCHES MINIMUM AND 0.3906 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.590 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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