5306-00-073-4079, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-073-4079

Federal Supply Class:
5306

National Item Identification Number:
000734079

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:

107C2522-2	77272	THE BOEING COMPANY
107C2522-2	81205	THE BOEING COMPANY

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.690 INCHES NOMINAL
FASTENER LENGTH	4.660 INCHES NOMINAL
MATERIAL	STEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND
	43.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	COUNTERBORE THREADED
COUNTERBORE DIAMETER	0.469 INCHES NOMINAL
COUNTERBORE DEPTH	0.040 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.375 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS
HEAD DIAMETER	0.875 INCHES NOMINAL
HEAD HEIGHT	0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.460 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES NOMINAL GRIP
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77272
DESIGN CONTROL REFERENCE	107C2522-2

Click here to Register for Free 30-day Trial