5305-00-487-1755, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-487-1755

Federal Supply Class:
5305

National Item Identification Number:
004871755

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:

C5-15-4758

81361

EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.137 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
HEAD DIAMETER	0.381 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD HEIGHT	0.466 INCHES MINIMUM AND 0.486 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SPECIAL FEATURES	90 DEG CONE POINT
SURFACE TREATMENT	PAINT AND PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.414 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

Click here to Register for Free 30-day Trial