5305-01-197-4365, SCREW,EXTERNALLY RELIEVED BODY

5305-01-197-4364 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-197-4365

Federal Supply Class:
5305

National Item Identification Number:
011974365

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:

83A-235-1	09062	CRANE ELECTRONICS, INC.
FLA9-235-1	54013	RANDOLPH & BALDWIN, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.074 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
HEAD DIAMETER	0.231 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SPECIAL FEATURES	COLOR BLACK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
THREAD CLASS	2A
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	40

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