5306012980640, 5306-01-298-0640, MS21250-14044, 5306-01-298-0640 - INTERNALLY RELIEVED BODY BOLT

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-01-298-0640 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.

Alternate Parts: MS2125014044, MS21250-14044, 5306-01-298-0640, 01-298-0640, 5306012980640, 012980640

Supply Group (FSG)	NSN Assigned	NIIN	Item Name Code (INC)
53	APR 10, 1989	01-298-0640	06676 ( BOLT, INTERNALLY RELIEVED BODY )

REFERENCE DRAWINGS & PICTURES

HEXAGON

CONCENTRIC HOLE UNTHREADED

Cross Reference | NSN 5306-01-298-0640

Part Number	Cage Code	Manufacturer
MS21250-14044	96906	MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS

Technical Data | NSN 5306-01-298-0640

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.875 INCHES
THREAD QUANTITY PER INCH	14
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.254 INCHES MINIMUM AND 1.274 INCHES MAXIMUM
FASTENER LENGTH	4.014 INCHES NOMINAL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DEPTH	0.260 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER	0.187 INCHES MAXIMUM
HEAD STYLE	0 HEXAGON
HEAD HEIGHT	0.808 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.9375 INCHES NOMINAL
EXTENDED WASHER DIAMETER	1.428 INCHES MINIMUM AND 1.438 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.198 INCHES NOMINAL
FEATURES PROVIDED	CASEHARDENED
SPECIAL FEATURES	SURFACE FINISH ON SHANK AND BEARING SURFACE OF HEAD 32.0 MICROINCHES