5305-99-786-1241, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-99-786-1241

Federal Supply Class:
5305

National Item Identification Number:
997861241

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:

V-34-6182-50	K0668	LEONARDO UK LTD
V34-6182-50	K0656	BAE SYSTEMS (OPERATIONS) LIMITED

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	3.80 MILLIMETERS MINIMUM AND 4.20 MILLIMETERS MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	8.80 MILLIMETERS MINIMUM AND 9.20 MILLIMETERS MAXIMUM
CRITICALITY CODE JUSTIFICATION	AAWC
EXTERNAL THREAD TOLERANCE CLASS	6G
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	15.80 MILLIMETERS MINIMUM AND 16.20 MILLIMETERS MAXIMUM
FIRST DIAMETER FROM HEAD	3.478 MILLIMETERS MINIMUM AND 3.490 MILLIMETERS MAXIMUM
HEAD DIAMETER	5.20 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM
HEAD HEIGHT	2.30 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MINIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	BA A80 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
POINT LENGTH	0.30 MILLIMETERS MINIMUM AND 0.70 MILLIMETERS MAXIMUM
POINT STYLE	FLAT
POINT CHAMFER ANGLE	45.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER	3.00 MILLIMETERS
SECOND DIAMETER FROM HEAD	2.20 MILLIMETERS MINIMUM AND 2.60 MILLIMETERS MAXIMUM
STRENGTH GRADE DESIGNATION	ERR-030
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	6.50 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	ISO M
THREAD PITCH IN MILLIMETERS	0.50

Click here to Register for Free 30-day Trial