5305-00-797-8191, SCREW,EXTERNALLY RELIEVED BODY

5810-00-797-8189 AUTOMATIC BALANCE CONTROL ASSEMB

National Stock Number:
5305-00-797-8191

Federal Supply Class:
5305

National Item Identification Number:
007978191

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:

CE190779

98230

NATIONAL SECURITY AGENCY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.283 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.582 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
HEAD DIAMETER	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT	0.090 INCHES NOMINAL
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SPECIAL FEATURES	CONE POINT 90 DEG OF ANGLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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