5306-01-239-9394, BOLT,MACHINE

5305-01-239-9395 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-239-9394

Federal Supply Class:
5306

National Item Identification Number:
012399394

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:

801651-3-8	0PTK6	SPS TECHNOLOGIES INC
MB251-3-8	73197	HI-SHEAR CORPORATION
SC2663-3-8	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M731-3-8	0PTK6	SPS TECHNOLOGIES INC
PBF1264-3-8	27624	SPS TECHNOLOGIES LLC
MB251-3-8	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
VS3207-3-8	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M731-3-8	73197	HI-SHEAR CORPORATION
ST3M731-3-8	76301	THE BOEING COMPANY
ST3M731-3-8	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
VS3207-3-8	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M731-3-8	K5673	SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
ST3M731-3-8	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC

Techincal Specification:

FASTENER LENGTH	0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM
HEAD HEIGHT	0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	NAS 621 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY UNS R54520 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ALUMINUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	32

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