5306-00-883-9755, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-883-9755

Federal Supply Class:
5306

National Item Identification Number:
008839755

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:

4F53202-105A	02068	SUMNER INDUSTRIES INC
4F53202-105A	98897	LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.020 INCHES NOMINAL FIRST HOLE
CONCENTRIC HOLE DIAMETER	0.437 INCHES NOMINAL
FASTENER LENGTH	2.190 INCHES NOMINAL
HEAD HEIGHT	0.120 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM
SHOULDER LENGTH	1.670 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.250 INCHES NOMINAL
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.400 INCHES MAXIMUM
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNF

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