5305-01-220-6484, SCREW,EXTERNALLY RELIEVED BODY

5305-01-220-6485 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-220-6484

Federal Supply Class:
5305

National Item Identification Number:
012206484

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

773654-1

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.280 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.300 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	0.360 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.109 INCHES NOMINAL
HEAD DIAMETER	0.375 INCHES NOMINAL
HEAD HEIGHT	0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 347 OVERALL
POINT LENGTH	0.060 INCHES NOMINAL
POINT STYLE	DOG
POINT DIAMETER	0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.164 INCHES
SECOND DIAMETER FROM HEAD	0.164 INCHES NOMINAL
SPECIAL FEATURES	INTERNAL HOLE DRILLED IN POINT SECTION 0.039 MIN. AND 0.043 MAX. DIA AND 0.050 MIN. AND 0.070 MAX. DEEP
THIRD DIAMETER FROM HEAD	0.118 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
THREAD LENGTH	0.210 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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