5305-01-080-0666, SCREW,EXTERNALLY RELIEVED BODY

5305-01-080-0665 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-080-0666

Federal Supply Class:
5305

National Item Identification Number:
010800666

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:

3150-2120-018

K0656

BAE SYSTEMS (OPERATIONS) LIMITED

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.112 INCHES
THREAD QUANTITY PER INCH	40
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
FASTENER LENGTH	0.469 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR
	66 300 SERIES FED STD SINGLE MATERIAL RESPONSE OR
	COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR
	DEF 130 FSCM K0656 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	PAN
HEAD DIAMETER	0.205 INCHES MINIMUM AND
	0.214 INCHES MAXIMUM
HEAD HEIGHT	0.070 INCHES MINIMUM AND
	0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.065 INCHES MINIMUM AND
	0.075 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.245 INCHES MINIMUM AND
	0.255 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE	K0656
DESIGN CONTROL REFERENCE	3150-2120-018

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