NSN 5305-00-395-6018

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-395-6018 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: 3020029003, 3020029-003, 6114SS25283, 5305-00-395-6018, 00-395-6018, 5305003956018, 003956018

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 12, 197400-395-601801852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-395-6018
Part Number Cage Code Manufacturer
3020029-00310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
6114SS2528306540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
Technical Data | NSN 5305-00-395-6018
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
HEAD HEIGHT0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
SPECIAL FEATURESPATCH TYPE ELEMENT ON THREADS