5306-00-054-5199, BOLT,SHOULDER

National Stock Number:
5306-00-054-5199

Federal Supply Class:
5306

National Item Identification Number:
000545199

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:

594328

77445

RTX CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.408 INCHES MINIMUM AND
	0.436 INCHES MAXIMUM
FASTENER LENGTH	0.834 INCHES MINIMUM AND
	0.854 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CHROMIUM OVERALL
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND
	0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.490 INCHES MINIMUM AND
	0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.070 INCHES MINIMUM AND
	0.080 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.3119 INCHES MINIMUM AND
	0.3124 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.418 INCHES MINIMUM AND
	0.426 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.710 INCHES MINIMUM AND
	0.730 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.065 INCHES MINIMUM AND
	0.072 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	594328

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