5306-00-948-3240, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-948-3240

Federal Supply Class:
5306

National Item Identification Number:
009483240

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:

1-140-168-02	06752	BRYS INSTRUMENT CORP
1-140-168-02	91547	HONEYWELL INTERNATIONAL INC DBA ENGINES & SYSTEMS
1-140-168-02	99193	HONEYWELL INTERNATIONAL INC.
1-140-168-02	D0272	ROLLS-ROYCE DEUTSCHLAND LTD & CO KG DBA ROLLS-ROYCE DEUTSCHLAND

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.360 INCHES MINIMUM AND 2.400 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.250 INCHES MINIMUM AND 1.290 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.520 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	2.950 INCHES MINIMUM AND 2.970 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 35.5 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
PRECIOUS MATERIAL	SILVER
SECOND DIAMETER FROM HEAD	0.316 INCHES MINIMUM AND 0.319 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	SILVER OVERALL
THIRD DIAMETER FROM HEAD	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.550 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM

Click here to Register for Free 30-day Trial