NSN 5305-01-193-9698

Part Details | MACHINE SCREW

5305-01-193-9698 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: 123WM10111613, 123WM10111-613, 5305-01-193-9698, 01-193-9698, 5305011939698, 011939698

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 08, 198401-193-969806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-193-9698
Part Number Cage Code Manufacturer
123WM10111-61326512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
Technical Data | NSN 5305-01-193-9698
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.312 INCHES NOMINAL
FASTENER LENGTH0.897 INCHES MINIMUM AND 0.927 INCHES MAXIMUM
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT CADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 CROWNED HEXAGON
HEAD DIAMETER0.531 INCHES NOMINAL
HEAD HEIGHT0.057 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
SPECIAL FEATURESCONCENTRIC HOLE IN HEAD 0.1596 IN. MIN DIA,0.1675 IN. MAX DIA 0.190 IN. THD DIA,32 THREADS PER IN. JF CLASS 3B,COUNTERSUNK 90 DEGREES,0.156 IN. MIN DIA,0.187 IN. MAX DIA; 0.310 IN. MIN LENGTH,0.507 IN. LENGTH