NSN 5305-00-989-0502

Part Details | SOCKET HEAD CAP SCREW

5305-00-989-0502 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: 5305009890502, 53059890502, 5305-989-0502, MS2126244, MS21262-44, MS2126244, MS21262-44, LK2126244, LK21262-44, 5305-00-989-0502, 00-989-0502, 5305009890502, 009890502

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-989-050216282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-989-0502
Part Number Cage Code Manufacturer
5305009890502SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
5305-989-0502SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
MS21262-4496906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21262-4480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
LK21262-4426304TORKON FASTENER CORP
Technical Data | NSN 5305-00-989-0502
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.664 INCHES MINIMUM AND 0.694 INCHES MAXIMUM
FASTENER LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM