5305-00-404-8190, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-404-8190

Federal Supply Class:
5305

National Item Identification Number:
004048190

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:

2010324

81039

WHIPPANY ACTUATION SYSTEMS, LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
FASTENER LENGTH	0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
HEAD DIAMETER	0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD HEIGHT	0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
THREAD CLASS	2A
THREAD LENGTH	0.190 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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