5305-01-306-4839, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-306-4839

Federal Supply Class:
5305

National Item Identification Number:
013064839

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:

66666-2248	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
66666-2248	1YGB8	CAREY MANUFACTURING CO, INC
AV0054-009	22915	NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV
FT1801-9	58794	FASTENER TECHNOLOGY CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.189 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT	0.088 INCHES MINIMUM AND 0.107 INCHES MAXIMUM
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
POINT STYLE	FLAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
THREAD CLASS	2A
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	40

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