NSN 5305-01-374-9820

Part Details | SOCKET HEAD CAP SCREW

5305-01-374-9820 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: 1238727083, 12387270-83, 5305-01-374-9820, 01-374-9820, 5305013749820, 013749820

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 03, 199301-374-982016282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-374-9820
Part Number Cage Code Manufacturer
12387270-8319207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5305-01-374-9820
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.403 INCHES MAXIMUM
FASTENER LENGTH1.710 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.4570 INCHES MINIMUM AND 0.4688 INCHES MAXIMUM
HEAD HEIGHT0.3060 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
SPECIAL FEATURESSURFACE TREATMENT 0.0003 IN. THICK,CHROMATE TREATMENT: BRONZE OR OLIVE DRAB