5306-00-465-9993, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-465-9993

Federal Supply Class:
5306

National Item Identification Number:
004659993

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:

14-20001-1	0JRC1	NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
14-20001-1	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION
14-20001-1	79U29	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

CONCENTRIC HOLE DEPTH	1.550 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.812 INCHES NOMINAL
FASTENER LENGTH	4.440 INCHES MINIMUM AND 4.480 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8844 CONDITION F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4340 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.438 INCHES
SHOULDER DIAMETER	1.1802 INCHES MINIMUM AND 1.1832 INCHES MAXIMUM
SHOULDER LENGTH	3.560 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.248 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.880 INCHES MINIMUM AND 0.920 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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