5306-01-242-8548, BOLT,SHOULDER

National Stock Number:
5306-01-242-8548

Federal Supply Class:
5306

National Item Identification Number:
012428548

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:

NAS1297-6D14

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.494 INCHES MINIMUM AND
	0.595 INCHES MAXIMUM
FASTENER LENGTH	1.482 INCHES MINIMUM AND
	1.522 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OR
	STEEL COMP 4140 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 4130 OR
	STEEL COMP 4037 OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.234 INCHES MINIMUM AND
	0.266 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.615 INCHES MINIMUM AND
	0.627 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.433 INCHES MINIMUM AND
	0.437 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.885 INCHES MINIMUM AND
	0.905 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.275 INCHES MINIMUM AND
	1.335 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND
	0.116 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA	80205-NAS1297 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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