5305-00-780-5266, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-780-5266

Federal Supply Class:
5305

National Item Identification Number:
007805266

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:

8860425

19203

PICATINNY ARSENAL

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.055 INCHES MINIMUM AND 1.065 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.978 INCHES MINIMUM AND 1.002 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.165 INCHES MINIMUM AND 1.195 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.177 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.145 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
HEAD DIAMETER	0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT	0.089 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1040 OR STEEL COMP 1045 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SECOND DIAMETER FROM HEAD	0.145 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THIRD DIAMETER FROM HEAD	0.177 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
THREAD LENGTH	0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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