5306-00-701-2250, BOLT,MACHINE

5306-00-701-2251 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-701-2250

Federal Supply Class:
5306

National Item Identification Number:
007012250

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:

55059

89446

HILLER AIRCRAFT CORPORATION

Techincal Specification:

FASTENER LENGTH	1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
HEAD HEIGHT	0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-430 FED SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
MINIMUM TENSILE STRENGTH	62000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.190 INCHES
WIDTH BETWEEN FLATS	0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OR CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.209 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
THREAD CLASS	3A
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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