5306-01-212-0060, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-212-0060

Federal Supply Class:
5306

National Item Identification Number:
012120060

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:

1292877-115

98897

LOCKHEED MARTIN CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.547 INCHES MINIMUM AND
	0.597 INCHES MAXIMUM
FASTENER LENGTH	2.245 INCHES MINIMUM AND
	2.275 INCHES MAXIMUM
MATERIAL	TITANIUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PAINT HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	FS-595 FED STD SINGLE TREATMENT RESPONSE HEAD
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DIAMETER	0.390 INCHES MINIMUM AND
	0.397 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.375 INCHES MINIMUM AND
	0.390 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND
	1.064 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.107 INCHES MINIMUM AND
	2.157 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND
	0.151 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	CONCENTRIC HOLE PAINTED; COLOR WHITE FED-STD-595 COLOR NO. 17875

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