5306-00-822-7421, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-822-7421

Federal Supply Class:
5306

National Item Identification Number:
008227421

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:

492H65

0AHP5

CURTISS-WRIGHT CONTROLS, INC.

Techincal Specification:

CONCENTRIC HOLE DEPTH	0.172 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.188 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
FASTENER LENGTH	0.900 INCHES NOMINAL
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.250 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2880 TO 0.2899 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS	0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.750 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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