5306-01-186-5373, BOLT,INTERNAL WRENCHING

National Stock Number:
5306-01-186-5373

Federal Supply Class:
5306

National Item Identification Number:
011865373

Description:
BOLT,INTERNAL WRENCHING

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.

Manufacturer Information:

247E207-16 (SH 3-REV S)

04241

BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	3.980 INCHES MINIMUM AND 4.010 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION	ZZZY
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	7.030 INCHES MINIMUM AND 7.090 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	1.109 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
HEAD DIAMETER	1.665 INCHES MINIMUM AND 1.687 INCHES MAXIMUM
HEAD HEIGHT	1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	1.125 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+1.0348 TO 1.0383 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
WIDTH ACROSS FLATS	0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM
SURFACE TREATMENT	CHROMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	3.040 INCHES MINIMUM AND 3.080 INCHES MAXIMUM
THREAD QUANTITY PER INCH	8
THREAD SERIES DESIGNATOR	ACME

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