5306-00-633-0827, BOLT,EXTERNALLY RELIEVED BODY

1615-00-633-0828 COVER,RESERVOIR,TRUNNION

National Stock Number:
5306-00-633-0827

Federal Supply Class:
5306

National Item Identification Number:
006330827

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:

204-040-631-001	97499	BELL TEXTRON INC
204-040-631-1	04614	TEXTRON SYSTEMS CORPORATION
204-040-631-1	80070	LOCKHEED MARTIN CORPORATION
204-040-631-1	97499	BELL TEXTRON INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM
HEAD HEIGHT	0.250 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.070 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL	STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SECOND DIAMETER FROM HEAD	0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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