5306-00-949-8273, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-949-8273

Federal Supply Class:
5306

National Item Identification Number:
009498273

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:

369A7163	02731	MCDONNELL DOUGLAS HELICOPTER CO INC
369A7163	8V613	THE BOEING COMPANY

Techincal Specification:

CONCENTRIC HOLE DIAMETER	0.930 INCHES MINIMUM AND 0.990 INCHES MAXIMUM
FASTENER LENGTH	1.560 INCHES MINIMUM AND 1.640 INCHES MAXIMUM
HEAD HEIGHT	1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3,COMP 2024,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,COMP 2024,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD DIAMETER	1.250 INCHES
SPECIAL FEATURES	HOLE,0.047 IN. DIA,DRILLED THRU ONE SIDE ONLY 1.510 IN. FROM BEARING SURFACE OF HEAD TO CENTER OF HOLE
WIDTH BETWEEN FLATS	0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.340 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH	12
THREAD SERIES DESIGNATOR	UNF

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