5305-01-099-7188, SCREW,EXTERNALLY RELIEVED BODY

5305-01-099-7189 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-099-7188

Federal Supply Class:
5305

National Item Identification Number:
010997188

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:

15405-005

10138

ASTRONAUTICS CORPORATION OF AMERICA

Techincal Specification:

COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
HEAD DIAMETER	0.191 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2B
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.190 INCHES NOMINAL
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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