NSN 5305-00-137-3071

Part Details | SOCKET HEAD CAP SCREW

5305-00-137-3071 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, MILF18240E, MIL-F-18240E, MS2126260, MS21262-60, MS2126260, MS21262-60, LK2126260, LK21262-60, 5305-00-137-3071, 00-137-3071, 5305001373071, 001373071

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 30, 197100-137-307116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-137-3071
Part Number Cage Code Manufacturer
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MIL-F-18240E81348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS21262-6096906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21262-6080205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
LK21262-6026304TORKON FASTENER CORP
Technical Data | NSN 5305-00-137-3071
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
FASTENER LENGTH0.985 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY LOCKING FEATURE