NSN 5305-00-143-1830

Part Details | SOCKET HEAD CAP SCREW

5305-00-143-1830 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: FFS86, MS2129525, MS21295-25, MS2129525, MS21295-25, LK2129525, LK21295-25, 5305-00-143-1830, 00-143-1830, 5305001431830, 001431830

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 23, 196800-143-183016282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-143-1830
Part Number Cage Code Manufacturer
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS21295-2596906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21295-2580205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
LK21295-2526304TORKON FASTENER CORP
Technical Data | NSN 5305-00-143-1830
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.340 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
FASTENER LENGTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SELF-LOCKING FEATURE