5306-01-055-5142, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-055-5142

Federal Supply Class:
5306

National Item Identification Number:
010555142

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:

160D123135-13	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
160D123135-13	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

CONCENTRIC HOLE DEPTH	4.480 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.560 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.689 INCHES MINIMUM AND 4.699 INCHES MAXIMUM FIRST HOLE
EXTENDED WASHER THICKNESS	0.074 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	1.000 INCHES NOMINAL
FASTENER LENGTH	4.781 INCHES NOMINAL
HEAD HEIGHT	0.371 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-H-6875 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE
SHOULDER DIAMETER	0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
SHOULDER LENGTH	4.396 INCHES MINIMUM AND 4.406 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS	0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.380 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	24

Click here to Register for Free 30-day Trial