5305-00-153-9339, SCREW,EXTERNALLY RELIEVED BODY

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

National Stock Number:
5305-00-153-9339

Federal Supply Class:
5305

National Item Identification Number:
001539339

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:

109281	00198	PRATT & WHITNEY CANADA CORP
109281	77445	RTX CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.428 INCHES MINIMUM AND 2.448 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD DIAMETER	0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
HEAD HEIGHT	0.178 INCHES MINIMUM AND 0.198 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	0.250 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.562 INCHES MINIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNC

Click here to Register for Free 30-day Trial