NSN 5305-00-208-2619

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-208-2619 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: 6777, 5305-00-208-2619, 00-208-2619, 5305002082619, 002082619

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-208-261901852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-208-2619
Part Number Cage Code Manufacturer
677775175CONCORD INSTRUMENTS CORP
Technical Data | NSN 5305-00-208-2619
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.194 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLE7 DISHED HEXAGON
HEAD DIAMETER0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
HEAD HEIGHT0.161 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.250 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM