5306-00-828-4742, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-828-4742

Federal Supply Class:
5306

National Item Identification Number:
008284742

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:

388944	02991	THOMPSON AEROSPACE, LLC
388944	77445	RTX CORPORATION
388944	80539	SPS TECHNOLOGIES, LLC

Techincal Specification:

CONCENTRIC HOLE DEPTH	0.820 INCHES MINIMUM AND 0.840 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER	0.430 INCHES NOMINAL
FASTENER LENGTH	1.670 INCHES MINIMUM AND 1.690 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.138 INCHES MINIMUM AND 0.178 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SHOULDER DIAMETER	0.5792 INCHES MINIMUM AND 0.5832 INCHES MAXIMUM
SHOULDER LENGTH	0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.805 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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