5306-01-266-7791, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-266-7791

Federal Supply Class:
5306

National Item Identification Number:
012667791

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:

11841-4-14-51	59563	REID PRODUCTS INC.
3M1043-4-14-51	06710	VALLEY-TODECO, INC.
3M1043-4-14-51	06725	SPS TECHNOLOGIES, LLC
3M1043-4-14-51	73197	HI-SHEAR CORPORATION
3M1043-4-14-51	76301	THE BOEING COMPANY
3M1043-4-14-51	80539	SPS TECHNOLOGIES, LLC
3M1043-4-14-51	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
3M1043-4-14-51	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM
FASTENER LENGTH	1.328 INCHES MINIMUM AND 1.358 INCHES MAXIMUM
HEAD HEIGHT	0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
HEAD MINOR DIAMETER	0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD STYLE	SPLINE EXTENDED WASHER
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
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
NOMINAL THREAD SIZE	0.138 INCHES CONCENTRIC HOLE
STYLE DESIGNATOR	CONCENTRIC HOLE THREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.372 INCHES MINIMUM AND 0.493 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF
THREAD SERIES	UNJC CONCENTRIC HOLE
THREADS PER INCH	32 CONCENTRIC HOLE

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