NSN 5305-00-057-1279

Part Details | SOCKET HEAD CAP SCREW

5305-00-057-1279 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: 25704281265110, 25704-281265-11-0, FFS86TYPE1STYLE11, 571279, 25704281265110, 25704-281265-11-0, 571279, 5305-00-057-1279, 00-057-1279, 5305000571279, 000571279

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-057-127916282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-057-1279
Part Number Cage Code Manufacturer
25704-281265-11-0D1839BUNDESAMT FUER AUSRUESTUNG,
FFS86TYPE1STYLE1181348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
571279D5589FEINMECHANISCHE WERKE MAINZ GMBH
25704-281265-11-0D2692KRAUSS-MAFFEI WEGMANN GMBH & CO.KG-WERK KASSEL-
571279D9893LIEBHERR-AEROSPACE LINDENBERG GMBH
Technical Data | NSN 5305-00-057-1279
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.218 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 11 STYLE