5305-01-215-3773, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-215-3773

Federal Supply Class:
5305

National Item Identification Number:
012153773

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:

2618682-3	80064	NAVAL SHIP SYSTEMS COMMAND
4165-M09-F09	04729	UNICORP.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	15.87 MILLIMETERS NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	25.40 MILLIMETERS NOMINAL
FIRST DIAMETER FROM HEAD	4.32 MILLIMETERS MINIMUM AND 4.58 MILLIMETERS MAXIMUM
HEAD DIAMETER	14.14 MILLIMETERS MINIMUM AND 14.40 MILLIMETERS MAXIMUM
HEAD HEIGHT	5.95 MILLIMETERS MINIMUM AND 6.75 MILLIMETERS MAXIMUM
HEAD STYLE	KNURLED NO. 4
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.250 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	9.40 MILLIMETERS MINIMUM AND 9.66 MILLIMETERS MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

Click here to Register for Free 30-day Trial