5305-00-053-5729, SCREW,EXTERNALLY RELIEVED BODY

5325-00-053-5730 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-053-5729

Federal Supply Class:
5305

National Item Identification Number:
000535729

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:

577R005H24	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION
P81-632-8	73197	HI-SHEAR CORPORATION
P81-632-8	C4293	ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
P81-632-8	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
P81-632-8	R1120	SATAIR A/S

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.235 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.920 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.138 INCHES NOMINAL
HEAD DIAMETER	0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
HEAD HEIGHT	0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 4130 ASSN STD 1ST MATERIAL RESPONSE OR AISI 4140 ASSN STD 2ND MATERIAL RESPONSE OR AISI 8740 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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