NSN 5305-01-171-8676

Part Details | SOCKET HEAD CAP SCREW

5305-01-171-8676 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: 3176207B062, 3176207-B-062, FFS86, FF-S-86, 3176207B062, 3176207-B-062, 5305-01-171-8676, 01-171-8676, 5305011718676, 011718676

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 15, 198401-171-867616282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-01-171-8676
Part Number Cage Code Manufacturer
3176207-B-06244114BAE SYSTEMS LAND & ARMAMENTS L.P.
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
3176207-B-06210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-01-171-8676
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.637 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE