5306-00-815-7923, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-815-7923

Federal Supply Class:
5306

National Item Identification Number:
008157923

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:

804749-1

98897

LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.250 INCHES MINIMUM AND 2.280 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.430 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	3.000 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM
HEAD HEIGHT	0.190 INCHES NOMINAL
HEAD DIAMETER	1.000 INCHES NOMINAL
HEAD STYLE	DEE
MATERIAL	STEEL OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.438 INCHES
SECOND DIAMETER FROM HEAD	0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.570 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNF

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