5305-00-433-3570, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-433-3570

Federal Supply Class:
5305

National Item Identification Number:
004333570

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:

330-1679-020	13499	ROCKWELL COLLINS, INC.
330-1679-020	77250	ALLIED PRODUCTS CORP PHEOLL MFG CO DIV
P330-1679-020	77250	ALLIED PRODUCTS CORP PHEOLL MFG CO DIV

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.280 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD DIAMETER	0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,300 SERIES FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 1ST MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OR STEEL OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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