5305-00-139-7011, SCREW,EXTERNALLY RELIEVED BODY

5305-00-139-7010 SCREW,EXTERNALLY RELIEVED BODY

5305-00-139-7012 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-139-7011

Federal Supply Class:
5305

National Item Identification Number:
001397011

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:

SMC413531-9

80063

US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.138 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.089 INCHES MINIMUM AND
	0.130 INCHES MAXIMUM
FASTENER LENGTH	0.344 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A633 ASSN STD SINGLE MATERIAL RESPONSE OR
	QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR
	ASTM A545 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A546 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A548 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A549 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
HEAD STYLE	PAN NO. 2
HEAD DIAMETER	0.256 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
HEAD HEIGHT	0.072 INCHES MINIMUM AND
	0.082 INCHES MAXIMUM
INTERNAL DRIVE STYLE	SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.089 INCHES MINIMUM AND
	0.099 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.245 INCHES MINIMUM AND
	0.255 INCHES MAXIMUM

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