5306-01-386-8147, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-386-8147

Federal Supply Class:
5306

National Item Identification Number:
013868147

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:

A51B24668-21	06892	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B24668-21	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B24668-21	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.569 INCHES NOMINAL
CONCENTRIC HOLE DEPTH	2.878 INCHES MINIMUM AND 2.883 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER	0.499 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
FASTENER LENGTH	3.928 INCHES MINIMUM AND 3.933 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.710 INCHES NOMINAL
HEAD HEIGHT	0.145 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	G-1010, CAGE 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHOULDER DIAMETER	1.1468 INCHES MINIMUM AND 1.1473 INCHES MAXIMUM
SHOULDER LENGTH	3.318 INCHES MINIMUM AND 3.323 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GSS9056, CAGE 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.297 INCHES NOMINAL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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