5305-00-444-0924, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-444-0924

Federal Supply Class:
5305

National Item Identification Number:
004440924

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:

4000887

13799

H & E VENTURE, LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.445 INCHES MINIMUM AND 0.458 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.084 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.398 INCHES MINIMUM AND 0.408 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	0.713 INCHES MINIMUM AND 0.723 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
HEAD DIAMETER	0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT	0.241 INCHES MINIMUM AND 0.261 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	LEDLOY A,SINGER CO. THE BUSINESS MACHINE DIV. MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SECOND DIAMETER FROM HEAD	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THIRD DIAMETER FROM HEAD	0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A
THREAD LENGTH	0.255 INCHES MINIMUM AND 0.278 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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