NSN 5305-00-143-3291

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-143-3291 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: P8110322, P81-1032-2, D79151532, D791515-32, D79151532, D791515-32, D79151532, D791515-32, 577R005H32, 577R005H32, P8110322, P81-1032-2, 5305-00-143-3291, 00-143-3291, 5305001433291, 001433291

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 09, 196800-143-329101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-143-3291
Part Number Cage Code Manufacturer
P81-1032-2C4293ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH
D791515-3217446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
D791515-320HDW7HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
D791515-3297928HUCK INTL INC
577R005H3297942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
577R005H325N116QUALITY SOCKET SCREW CORPORATION
P81-1032-204729UNICORP
Technical Data | NSN 5305-00-143-3291
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
FASTENER LENGTH0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.275 INCHES MAXIMUM
HEAD HEIGHT0.075 INCHES MINIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.555 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT