5306-01-146-7270, BOLT,SHOULDER

5305-01-146-7269 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-146-7270

Federal Supply Class:
5306

National Item Identification Number:
011467270

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:

122916-4DH28	80539	SPS TECHNOLOGIES, LLC
MB162-4DH28	73197	HI-SHEAR CORPORATION
ST3M840-4DH28	76301	THE BOEING COMPANY
VS3190-4DH28Y	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
MB162-4DH28	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC

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	0.443 INCHES MINIMUM AND
	0.493 INCHES MAXIMUM
FASTENER LENGTH	2.203 INCHES MINIMUM AND
	2.233 INCHES MAXIMUM
MATERIAL	STEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
HEAD STYLE	SPLINE EXTENDED WASHER
HEAD HEIGHT	0.240 INCHES MINIMUM AND
	0.260 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.460 INCHES MINIMUM AND
	0.470 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.026 INCHES MINIMUM AND
	0.046 INCHES MAXIMUM
HEAD MINOR DIAMETER	0.318 INCHES MINIMUM AND
	0.324 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	SPLINE
HOLE TYPE	DRILLED
HOLE QUANTITY	4
HOLE DIAMETER	0.032 INCHES MINIMUM AND
	0.042 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.2802 INCHES MINIMUM AND
	0.2807 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.740 INCHES MINIMUM AND
	1.760 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.011 INCHES MINIMUM AND
	2.051 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND
	0.081 INCHES MAXIMUM FIRST HOLE

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