5305-99-244-2022, SCREW,EXTERNALLY RELIEVED BODY

5360-99-244-2032 SPRING,HELICAL,COMPRESSION

National Stock Number:
5305-99-244-2022

Federal Supply Class:
5305

National Item Identification Number:
992442022

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-34-8309-50

K0668

LEONARDO UK LTD

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.113 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.210 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.140 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.152 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
FASTENER LENGTH	0.450 INCHES NOMINAL AND 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.126 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.078 INCHES MINIMUM AND 0.084 INCHES MAXIMUM
HEAD DIAMETER	0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
HEAD HEIGHT	0.065 INCHES MINIMUM AND 0.071 INCHES MAXIMUM
HEAD STYLE	FLAT FILLISTER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18732D,CONDITION HT MIL STD SINGLE MATERIAL RESPONSE
MATERIAL	STEEL
NOMINAL THREAD DIAMETER	0.112 INCHES
SECOND DIAMETER FROM HEAD	0.107 INCHES MINIMUM AND 0.113 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	BS 1706 CD3 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE AND DEF 130 MIL STD 2ND TREATMENT RESPONSE
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THIRD DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.126 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.240 INCHES NOMINAL
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

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