5306-00-382-7546, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-382-7546

Federal Supply Class:
5306

National Item Identification Number:
003827546

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:

4014705	11449	TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
4014705	77445	RTX CORPORATION
4014705	80539	SPS TECHNOLOGIES, LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.730 INCHES MINIMUM AND 2.770 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	3.428 INCHES MINIMUM AND 3.448 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SECOND DIAMETER FROM HEAD	0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
SPECIAL FEATURES	HEAD HAS 2 SLOTS 180 DEGREES APART 0.130 IN. MIN 0.140 IN. MAX W
WIDTH BETWEEN FLATS	0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.658 INCHES MINIMUM AND 0.718 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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