NSN 5305-00-637-6921

Part Details | SOCKET HEAD CAP SCREW

5305-00-637-6921 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: 333S605, 33S605, 333S605, 29577, 5305-00-637-6921, 00-637-6921, 5305006376921, 006376921

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-637-692116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5305-00-637-6921
Part Number Cage Code Manufacturer
333S60506840BENDIX CORP THE
33S60506848HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
333S60506848HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
2957711599TRIUMPH ENGINE CONTROL SYSTEMS, LLC
Technical Data | NSN 5305-00-637-6921
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.258 INCHES MINIMUM
FASTENER LENGTH0.320 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
HOLE CONFIGURATION STYLE1 DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY4
HOLE DIAMETER0.031 INCHES NOMINAL