NSN 5305-01-179-5256

Part Details | SOCKET HEAD CAP SCREW

5305-01-179-5256 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: MS2467229, MS24672-29, FFS86, FF-S-86, MS2467229, MS24672-29, 5305-01-179-5256, 01-179-5256, 5305011795256, 011795256

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 19, 198401-179-525616282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HEXAGON

Cross Reference | NSN 5305-01-179-5256
Part Number Cage Code Manufacturer
MS24672-2900360AERO-MISSILE COMPONENTS, INC.
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS24672-2996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-01-179-5256
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.917 INCHES MINIMUM AND 1.047 INCHES MAXIMUM
FASTENER LENGTH1.234 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA4 TYPE