NSN 5305-01-412-0178

Part Details | SOCKET HEAD CAP SCREW

5305-01-412-0178 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: H522B001 ITEM NO 62, A640038C400, 5305-01-412-0178, 01-412-0178, 5305014120178, 014120178

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 07, 199501-412-017816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-412-0178
Part Number Cage Code Manufacturer
H522B001 ITEM NO 6298523JERED LLCDBA PAR
A640038C40098523JERED LLCDBA PAR
Technical Data | NSN 5305-01-412-0178
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 MINIMUM AND 1.940 INCHES MAXIMUM
FASTENER LENGTH4.000 INCHES NOMINAL
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 NOMINAL