NSN 5305-00-042-6581

Part Details | SHOULDER SCREW

5305-00-042-6581 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Alternate Parts: 2493757, 5305-00-042-6581, 00-042-6581, 5305000426581, 000426581

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-042-658122846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-042-6581
Part Number Cage Code Manufacturer
249375710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-042-6581
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.260 INCHES MINIMUM
FASTENER LENGTH0.491 INCHES NOMINAL
MINIMUM TENSILE STRENGTH100000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.044 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1