5306-01-323-8892, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-323-8892

Federal Supply Class:
5306

National Item Identification Number:
013238892

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:

4J13361-105A

98897

LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.120 INCHES NOMINAL FIRST HOLE
CONCENTRIC HOLE DEPTH	1.350 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.374 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
FASTENER LENGTH	2.250 INCHES NOMINAL
HEAD HEIGHT	0.250 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP H11 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
MINIMUM TENSILE STRENGTH	280000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.143 INCHES MINIMUM FIRST HOLE AND 0.149 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	SURFACE HARDNESS ON SHANK 32.0; FILL WITH LOW DENSITY SEALANT PER STM40-107 CLASS B-1/4 AFTER FINAL TREATMENT
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.690 INCHES NOMINAL
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNJF

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