NSN 5305-01-186-1207

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-186-1207 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: SVF55828, 2471631, 247163-1, 5305-01-186-1207, 01-186-1207, 5305011861207, 011861207

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 08, 198401-186-120701852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-186-1207
Part Number Cage Code Manufacturer
SVF558289S754HUNTINGTON VALLEY INDUSTRIES INC.DBA H V I
247163-109205LOCKHEED MARTIN CORPELECTRONICS AND MISSILES DIV
Technical Data | NSN 5305-01-186-1207
Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.560 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.179 INCHES NOMINAL
HEAD HEIGHT0.110 INCHES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.094 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.187 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.690 INCHES NOMINAL
SPECIAL FEATURESINTERNAL HEX DRIVE IN SHANK OPPOSITE HEAD