5305-00-142-3443, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-142-3443

Federal Supply Class:
5305

National Item Identification Number:
001423443

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:

C320000096

88818

KEARFOTT CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.251 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
HEAD DIAMETER	0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	C190000120,FSCM 88818 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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