5305-01-411-4799, SCREW,EXTERNALLY RELIEVED BODY

6520-01-411-4798 SONIC PROPHYLAXIS UNIT,DENTAL

National Stock Number:
5305-01-411-4799

Federal Supply Class:
5305

National Item Identification Number:
014114799

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:

3048602P1

94117

BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.255 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.090 INCHES NOMINAL
HEAD HEIGHT	0.097 INCHES MAXIMUM
HEAD DIAMETER	0.270 INCHES NOMINAL
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5735 ASSN STD 1ST MATERIAL RESPONSE OR AMS5616 ASSN STD 2ND MATERIAL RESPONSE OR AMS5643 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OR STEEL COMP 615 OR STEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	IRON ALLOY 660 IS HEAT TREAT TO 24 - 37 HRC, STEEL COMP 615 HEAT TREAT TO 32 - 38 HRC, OR STEEL 630 HEAT TREAT TO 31 - 39 HRC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35, TY I FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.215 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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