5306-01-199-9594, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-199-9594

Federal Supply Class:
5306

National Item Identification Number:
011999594

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:

5189871

53711

NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.524 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.597 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.778 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.872 INCHES NOMINAL
CHAMFER ANGLE	45.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	3.000 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.375 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	0.500 INCHES NOMINAL
HARDNESS RATING	36.0 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT	0.250 INCHES NOMINAL
HEAD LENGTH	1.000 INCHES NOMINAL
LOCKING FEATURE	SLOTTED GRIP
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SECOND DIAMETER FROM HEAD	0.466 INCHES MINIMUM AND 0.470 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THIRD DIAMETER FROM HEAD	0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20

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