5306-01-308-3624, BOLT,MACHINE

4520-01-308-3625 HEATER,VENTILATION,DUCT TYPE

National Stock Number:
5306-01-308-3624

Federal Supply Class:
5306

National Item Identification Number:
013083624

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

624254-1440DN3

80020

NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2

Techincal Specification:

EXTENDED WASHER DIAMETER	1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.333 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
FASTENER LENGTH	3.235 INCHES MINIMUM AND 3.297 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 COND C2 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5000 COND C2 GAASTM A29 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4140 OR STEEL COMP 316 OR STEEL COMP 4640 OVERALL
NOMINAL THREAD DIAMETER	0.875 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	3.266 INCHES NOMINAL
THREAD QUANTITY PER INCH	9
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.868 INCHES MINIMUM AND 0.879 INCHES MAXIMUM

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