5305-00-936-4022, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-936-4022

Federal Supply Class:
5305

National Item Identification Number:
009364022

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:

0N088689	98230	NATIONAL SECURITY AGENCY
0N124078	98230	NATIONAL SECURITY AGENCY

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.376 INCHES MINIMUM AND 0.407 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD DIAMETER	0.270 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SPECIAL FEATURES	NYLON PELLET IN THD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.218 INCHES MINIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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