5305-00-382-4942, SCREW,EXTERNALLY RELIEVED BODY

5305-00-382-4944 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-382-4942

Federal Supply Class:
5305

National Item Identification Number:
003824942

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:

1046316	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
209-1021PC1	49956	RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD DIAMETER	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HEAD HEIGHT	0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 4
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD 1ST MATERIAL RESPONSE OR ASTM ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SPECIAL FEATURES	45 DEGREE HEADER POINT ON THREAD END
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD LENGTH	0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

Click here to Register for Free 30-day Trial