NSN 5305-00-479-1148

Part Details | MACHINE SCREW

5305-00-479-1148 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Alternate Parts: 56D24, 5305-00-479-1148, 00-479-1148, 5305004791148, 004791148

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-479-114806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-479-1148
Part Number Cage Code Manufacturer
56D240AHP5CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS
Technical Data | NSN 5305-00-479-1148
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAAMS 6322$AAMS 6325 ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT CADMIUM
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAAMS 2400$AAMS 2800 ALL TREATMENT RESPONSES
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1