NSN 5305-01-071-4583

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-071-4583 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.

Alternate Parts: A320A185101, A320A185-101, 5305-01-071-4583, 01-071-4583, 5305010714583, 010714583

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 08, 197901-071-458301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-071-4583
Part Number Cage Code Manufacturer
A320A185-10188818KEARFOTT CORPORATIONDBA KEARFOTT
Technical Data | NSN 5305-01-071-4583
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH56
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
FASTENER LENGTH1.075 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD HEIGHT0.044 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.098 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.825 INCHES NOMINAL