NSN 5305-00-273-5581

Part Details | SOCKET HEAD CAP SCREW

5305-00-273-5581 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: FFS86TYPE6, MILS933TYPEC, 12Z1007217, 12Z1007-217, 5305-00-273-5581, 00-273-5581, 5305002735581, 002735581

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-273-558116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-273-5581
Part Number Cage Code Manufacturer
FFS86TYPE681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MILS933TYPEC81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
12Z1007-21710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-273-5581
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
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 FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE