5306-01-304-7960, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-304-7960

Federal Supply Class:
5306

National Item Identification Number:
013047960

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.

Manufacturer Information:

11841-5-20-85	59563	REID PRODUCTS INC.
3M1043-5-20-85	06710	VALLEY-TODECO, INC.
3M1043-5-20-85	06725	SPS TECHNOLOGIES, LLC
3M1043-5-20-85	56878	SPS TECHNOLOGIES, LLC
3M1043-5-20-85	73197	HI-SHEAR CORPORATION
3M1043-5-20-85	76301	THE BOEING COMPANY
3M1043-5-20-85	80539	SPS TECHNOLOGIES, LLC
3M1043-5-20-85	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
3M1043-5-20-85	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.526 INCHES MINIMUM AND
	0.576 INCHES MAXIMUM
FASTENER LENGTH	1.786 INCHES MINIMUM AND
	1.816 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	CONCENTRIC HOLE THREADED
THREAD SERIES	UNJC CONCENTRIC HOLE
NOMINAL THREAD SIZE	0.138 INCHES CONCENTRIC HOLE
THREADS PER INCH	32 CONCENTRIC HOLE
INTERNAL THREAD CLASS	3B CONCENTRIC HOLE
INTERNAL THREAD DIRECTION	RIGHT-HAND CONCENTRIC HOLE
INTERNAL THREAD LENGTH	0.300 INCHES MINIMUM AND
	0.345 INCHES MAXIMUM CONCENTRIC HOLE
HEAD STYLE	SPLINE EXTENDED WASHER
HEAD HEIGHT	0.247 INCHES MINIMUM AND
	0.287 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.575 INCHES MINIMUM AND
	0.585 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.035 INCHES MINIMUM AND
	0.055 INCHES MAXIMUM
HEAD MINOR DIAMETER	0.360 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
SPECIAL FEATURES	INJECTION PORT 0.120 IN. LG,0.060 IN. WIDE IN UNTHD SHANK; DISTANCE FROM HEAD TO BEGINNING OF INJECTION PORT 0.850 IN.
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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