5306-01-607-7581, BOLT,MACHINE

National Stock Number:
5306-01-607-7581

Federal Supply Class:
5306

National Item Identification Number:
016077581

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:

NAS7307A48Y

82918

THE BOEING COMPANY

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	3.6790 INCHES MINIMUM AND 3.7090 INCHES MAXIMUM
GRIP DIAMETER	0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
GRIP LENGTH	2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM
HEAD HEIGHT	0.028 INCHES MAXIMUM
HEAD DIAMETER	0.810 INCHES MINIMUM AND 0.889 INCHES MAXIMUM
HEAD STYLE	FILLISTER COUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATION	AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD DIAMETER	0.4375 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	BOLT, 100 DEG HEAD, CRUCIFORM RECESS CLOSE TOLERANCE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS4006 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ALUMINUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.6940 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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