5306-01-183-6974, BOLT,INTERNAL WRENCHING

National Stock Number:
5306-01-183-6974

Federal Supply Class:
5306

National Item Identification Number:
011836974

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:

6081262	03640	LOCKHEED MARTIN CORPORATION
6081262-1	03640	LOCKHEED MARTIN CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT	0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 302 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-E-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.1094 INCHES MINIMUM AND 0.1111 INCHES MAXIMUM

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