NSN 5305-01-021-5258

Part Details | SOCKET HEAD CAP SCREW

5305-01-021-5258 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: NAS1352087P, NAS1352-08-7P, 5305-01-021-5258, 01-021-5258, 5305010215258, 010215258

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 17, 197601-021-525816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-021-5258
Part Number Cage Code Manufacturer
NAS1352-08-7P80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-021-5258
Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.346 INCHES MINIMUM
FASTENER LENGTH0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD