5306-00-948-3236, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-948-3236

Federal Supply Class:
5306

National Item Identification Number:
009483236

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:

1-100-292-02	0UCY9	M.S. AEROSPACE INC.
1-100-292-02	59563	REID PRODUCTS INC.
1-100-292-02	78U39	OZARK AEROWORKS LLC
1-100-292-02	81996	U S ARMY AVIATION AND MISSILE COMMAND
1-100-292-02	91547	HONEYWELL INTERNATIONAL INC DBA ENGINES & SYSTEMS
1-100-292-02	99193	HONEYWELL INTERNATIONAL INC.
1-100-292-02	D0272	ROLLS-ROYCE DEUTSCHLAND LTD & CO KG DBA ROLLS-ROYCE DEUTSCHLAND

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.730 INCHES MINIMUM AND 1.760 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.880 INCHES MINIMUM AND 0.910 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	5
FASTENER LENGTH	2.610 INCHES MINIMUM AND 2.630 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.3475 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM
HARDNESS RATING	79.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
HEAD HEIGHT	0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
HEAD DIAMETER	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.3475 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM
SPECIAL FEATURES	HOLE DRILLED IN THD END 0.0849 IN. MIN,0.0939 IN. MAX DIA,NO. 4-40 UNC CLASS 3B THD,0.250 IN. MIN DEPTH
WIDTH BETWEEN FLATS	0.486 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.430 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.740 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	2.120 INCHES MINIMUM AND 2.180 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.590 INCHES MINIMUM AND 1.650 INCHES MAXIMUM

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