5306-00-078-3417, BOLT,SHOULDER

National Stock Number:
5306-00-078-3417

Federal Supply Class:
5306

National Item Identification Number:
000783417

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:

215-55401-1

80378

TRIUMPH AEROSTRUCTURES, LLC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.120 INCHES MINIMUM
FASTENER LENGTH	3.250 INCHES NOMINAL
MATERIAL	STEEL OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE 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	DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.625 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.679 INCHES MINIMUM AND
	0.690 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	1.040 INCHES MINIMUM AND
	1.050 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.151 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.6230 INCHES MINIMUM AND
	0.6240 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.416 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.540 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.109 INCHES NOMINAL FIRST HOLE
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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