5306-01-006-4999, BOLT,SHOULDER

National Stock Number:
5306-01-006-4999

Federal Supply Class:
5306

National Item Identification Number:
010064999

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:

65150-00067-129

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.343 INCHES MINIMUM AND
	0.422 INCHES MAXIMUM
FASTENER LENGTH	2.453 INCHES MINIMUM AND
	2.500 INCHES MAXIMUM
MATERIAL	STEEL COMP 4140 OR
	STEEL COMP E4340 OR
	STEEL COMP 6150 OR
	STEEL COMP 8735 OR
	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM HEAD
	CADMIUM THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY1 FED SPEC SINGLE TREATMENT RESPONSE HEAD
	QQ-P-416,TY1 FED SPEC SINGLE TREATMENT RESPONSE THREADS
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.203 INCHES MINIMUM AND
	0.235 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.615 INCHES MINIMUM AND
	0.627 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.4755 INCHES MINIMUM AND
	0.4760 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.984 INCHES MINIMUM AND
	2.016 INCHES MAXIMUM FIRST SHOULDER
SPECIAL FEATURES	GROOVE 0.094 IN. WIDE,0.355 IN. DIA LOCATED BETWEEN SHOULDER AND THREADED PORTION
THE MANUFACTURERS DATA
MANUFACTURERS CODE	78286
DESIGN CONTROL REFERENCE	65150-00067-129

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