NSN 5305-00-168-2979

Part Details | SOCKET HEAD CAP SCREW

5305-00-168-2979 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: NAS13525LE20P, NAS1352-5LE20P, M60FS51820C, M60FS518-20C, LK13525LE20P, LK1352-5LE20P, NAS13525LE20P, NAS1352-5LE-20P, 5305-00-168-2979, 00-168-2979, 5305001682979, 001682979

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 17, 197000-168-297916282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-168-2979
Part Number Cage Code Manufacturer
NAS1352-5LE20P80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
M60FS518-20C26233NYLOK CORPORATIONDBA NYLOK WESTERN FASTENER
LK1352-5LE20P26304TORKON FASTENER CORP
NAS1352-5LE-20PD9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-00-168-2979
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM
FASTENER LENGTH1.234 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD