5306-00-121-2426, BOLT,SHOULDER

National Stock Number:
5306-00-121-2426

Federal Supply Class:
5306

National Item Identification Number:
001212426

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:

S6120-65164-3

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.388 INCHES MINIMUM AND
	0.435 INCHES MAXIMUM
FASTENER LENGTH	2.734 INCHES MINIMUM AND
	2.781 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	58.0 ROCKWELL C MINIMUM AND
	64.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.875 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.5595 INCHES MINIMUM AND
	0.5604 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	2.222 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.106 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.577 INCHES NOMINAL FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	78286
DESIGN CONTROL REFERENCE	S6120-65164-3

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