5306-00-003-9029, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-003-9029

Federal Supply Class:
5306

National Item Identification Number:
000039029

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:

A51H40524-13	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H40524-13	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H40524-13	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.224 INCHES MINIMUM AND 2.234 INCHES MAXIMUM FIRST HOLE
CONCENTRIC HOLE DEPTH	1.810 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
FASTENER LENGTH	2.416 INCHES MINIMUM AND 2.426 INCHES MAXIMUM
HEAD DIAMETER	0.800 INCHES NOMINAL
HEAD HEIGHT	0.156 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	G-1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
SHOULDER LENGTH	1.979 INCHES MINIMUM AND 1.989 INCHES MAXIMUM
SPECIAL FEATURES	CADMIUM PLATE CONCENTRIC HOLE SURFACE
WIDTH BETWEEN FLATS	0.678 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT	CHROMIUM GRIP
SURFACE TREATMENT	CADMIUM HEAD
SURFACE TREATMENT	CADMIUM THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.333 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNJF

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