NSN 5305-00-243-7157

Part Details | SOCKET HEAD CAP SCREW

5305-00-243-7157 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, MS1699551B, MS16995-51B, MS1699551B, MS16995-51B, 5305-00-243-7157, 00-243-7157, 5305002437157, 002437157

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 17, 197100-243-715716282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-243-7157
Part Number Cage Code Manufacturer
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS16995-51B96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS16995-51B80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-243-7157
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.759 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
FASTENER LENGTH0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 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 FLATS0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE