5305-00-433-3739, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-433-3739

Federal Supply Class:
5305

National Item Identification Number:
004333739

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:

5015-2	82340	L3HARRIS TECHNOLOGIES, INC.
6131SS0440	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6131SS0440-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6131SS0440-7	1YGB8	CAREY MANUFACTURING CO, INC
6131SS0440	1YGB8	CAREY MANUFACTURING CO, INC
9333C0009-3	87557	LOCKHEED CORP LOCKHEED ELECTRONICS CO INC
9333C0009-3	94117	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.703 INCHES MINIMUM AND 0.735 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
HEAD HEIGHT	0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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