5306-00-841-6999, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-841-6999

Federal Supply Class:
5306

National Item Identification Number:
008416999

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:

1638ADHAC	7PZX0	FAIRBANKS MORSE, LLC
1638ADHAC	82796	COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.125 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.875 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.062 INCHES NOMINAL
DISTANCE FROM CENTERLINE TO FLAT	0.375 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	2.812 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.562 INCHES NOMINAL
HARDNESS RATING	27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.000 INCHES NOMINAL
HEAD HEIGHT	0.312 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-890,ALLOY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM YIELD STRENGTH	105000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
SPECIAL FEATURES	1 LOCKNUT FURNISED; BOTH ENDS CENTER DRILLED 0.250 IN. BY 0.261 IN. BY 60 DEG
SECOND DIAMETER FROM HEAD	0.623 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.535 INCHES NOMINAL
THREAD CLASS	3A
THREAD LENGTH	0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNF

Click here to Register for Free 30-day Trial