5306-01-522-1205, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-522-1205

Federal Supply Class:
5306

National Item Identification Number:
015221205

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:

7612477-5	53711	NAVAL SEA SYSTEMS COMMAND
7612477-5	70318	ALLMETAL SCREW PRODUCTS CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.406 INCHES MINIMUM AND 0.411 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE-AMS-STD 66 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
POINT CHAMFER ANGLE	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
POINT STYLE	CONE
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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