NSN 5305-01-259-4055

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-259-4055 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: ST81065910, ST810659-10, 6100SS06327, 6100SS0632-7, 6100SS0632, 6100-SS-0632, 6100SS06327, 6100SS0632-7, 6100SS0632, 6100-SS-0632, 5305-01-259-4055, 01-259-4055, 5305012594055, 012594055

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 17, 198701-259-405501852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

CONE

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-259-4055
Part Number Cage Code Manufacturer
ST810659-1080249BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION INC.
6100SS0632-71YGB8CAREY MANUFACTURING COMPANY, INC.DBA AMATOM ELECTRONIC HARDWARE
6100-SS-06321YGB8CAREY MANUFACTURING COMPANY, INC.DBA AMATOM ELECTRONIC HARDWARE
6100SS0632-706540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
6100-SS-063206540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
Technical Data | NSN 5305-01-259-4055
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.202 INCHES MINIMUM AND 0.212 INCHES MAXIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
HEAD HEIGHT0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
POINT STYLE CONE
POINT LENGTH0.094 INCHES NOMINAL
POINT DIAMETER0.079 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
POINT CHAMFER ANGLE85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.069 INCHES NOMINAL
SPECIAL FEATURESSTRAIGHT KNURL