5306-01-280-5131, BOLT,EXTERNALLY RELIEVED BODY

8010-01-280-5130 COATING COMPOUND,NONSLIP

National Stock Number:
5306-01-280-5131

Federal Supply Class:
5306

National Item Identification Number:
012805131

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:

4072547	0UCY9	M.S. AEROSPACE INC.
4072547	4GP55	ACUFAST AIRCRAFT PRODUCTS
4072547	52661	RTX CORPORATION
4072547	77445	RTX CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.525 INCHES NOMINAL
CHAMFER ANGLE	58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.205 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.080 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.030 INCHES MINIMUM AND 2.050 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.426 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
HEAD LENGTH	0.860 INCHES MINIMUM AND 0.866 INCHES MAXIMUM
HEAD HEIGHT	0.250 INCHES NOMINAL
HEAD STYLE	TEE NO. 6
NOMINAL THREAD DIAMETER	0.438 INCHES
SECOND DIAMETER FROM HEAD	0.458 INCHES NOMINAL
SPECIAL FEATURES	THIRD DIAMETER FROM HEAD TAPERED FROM SECOND DIAMETER AT 25 DEG 30'
THIRD DIAMETER FROM HEAD	0.356 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.530 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
WIDTH BETWEEN FLATS	0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM

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