5306-00-395-2438, BOLT,MACHINE

National Stock Number:
5306-00-395-2438

Federal Supply Class:
5306

National Item Identification Number:
003952438

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:

1388200-1

98889

AEROCONTROLEX GROUP, INC.

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.126 INCHES MINIMUM AND 2.156 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	2.266 INCHES MINIMUM AND 2.312 INCHES MAXIMUM
GRIP LENGTH	1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	DOUBLE HEXAGON FLATS
HOLE DIAMETER	0.046 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	WIDTH BETWEEN FLAT CUT FROM 0.365 IN. MIN 0.377 IN. MAX W TO 0.330 IN. W ON HEX FLAT
WIDTH BETWEEN FLATS	0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.376 INCHES MINIMUM AND 0.452 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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