5305-01-245-3569, SCREW,EXTERNALLY RELIEVED BODY

5905-01-245-3568 RESISTOR,FIXED,WIRE WOUND,NONIND

5305-01-245-3570 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-245-3569

Federal Supply Class:
5305

National Item Identification Number:
012453569

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:

6192-SS-2520-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6192-SS-2520-7	1YGB8	CAREY MANUFACTURING CO, INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.922 INCHES MINIMUM AND 0.954 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD DIAMETER	0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD HEIGHT	0.224 INCHES MINIMUM AND 0.276 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-W-52263 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 203EZ OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303SE OR STEEL COMP 416 OR STEEL COMP 416 PLUS X OR STEEL COMP 416SE OR STEEL COMP 430F OR STEEL COMP 430FSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
NOMINAL THREAD DIAMETER	0.250 INCHES
POINT CHAMFER ANGLE	55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
POINT DIAMETER	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
POINT LENGTH	0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
POINT STYLE	CONE
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	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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