5306-01-372-6440, BOLT,SHOULDER

National Stock Number:
5306-01-372-6440

Federal Supply Class:
5306

National Item Identification Number:
013726440

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.

Manufacturer Information:

S6110-31002	78286	SIKORSKY AIRCRAFT CORPORATION
S6110-31002-002	78286	SIKORSKY AIRCRAFT CORPORATION
S6110-31002-2	78286	SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

HEAD HEIGHT	0.260 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.985 INCHES MINIMUM AND
	1.015 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	SQUARE LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	1
HOLE DIAMETER	0.198 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.6863 INCHES MINIMUM AND
	0.6868 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	3.615 INCHES MINIMUM AND
	3.625 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.1065 INCHES NOMINAL THREADS
SHANK UNTHREADED HOLE DIAMETER	0.1065 INCHES NOMINAL THREADS
SPECIAL FEATURES	ITEM HAS 2 SHANK HOLES,UNDERCUT .093 INCH BETWEEN FIRST SHOULDER AND THREADS
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.672 INCHES NOMINAL
FASTENER LENGTH	3.615 INCHES MINIMUM AND
	3.625 INCHES MAXIMUM
MATERIAL	STEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OR
	CADMIUM AND
	PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE II,OR TYPE III FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND
	43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
HEAD STYLE	SQUARE

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