5305-01-181-7465, SCREW,EXTERNALLY RELIEVED BODY

5305-01-181-7464 SCREW,EXTERNALLY RELIEVED BODY

5305-01-181-7466 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-181-7465

Federal Supply Class:
5305

National Item Identification Number:
011817465

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:

6116886-4	03640	LOCKHEED MARTIN CORPORATION
CA13026-7	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.194 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.451 INCHES MINIMUM AND 0.466 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
HEAD DIAMETER	0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	QUAD LEAD THREAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.156 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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