NSN 5305-01-081-7368

Part Details | SOCKET HEAD CAP SCREW

5305-01-081-7368 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: 3176207C210, 3176207-C-210, 5305-01-081-7368, 01-081-7368, 5305010817368, 010817368

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 18, 197901-081-736816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-081-7368
Part Number Cage Code Manufacturer
3176207-C-21010001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-01-081-7368
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.380 INCHES MINIMUM
FASTENER LENGTH2.250 INCHES NOMINAL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLE4 CROWNED HEXAGON
HEAD DIAMETER0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
HEAD HEIGHT0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
SPECIAL FEATURESCRITICAL ITEM HYDROGEN EMBRITTLEMENT RELIEF REQUIRED