5305-00-153-9337, SCREW,EXTERNALLY RELIEVED BODY

5305-00-153-9338 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-153-9337

Federal Supply Class:
5305

National Item Identification Number:
001539337

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:

109280

00198

PRATT & WHITNEY CANADA CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.930 INCHES MINIMUM AND 1.950 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
HEAD DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLE	FILLISTER
HOLE CONFIGURATION STYLE	ROUND
HOLE DIAMETER	0.062 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.560 INCHES MINIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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