NSN 5305-00-080-0188

Part Details | MACHINE SCREW

5305-00-080-0188 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: 3MFR334CFA75, 3MFR334CFA7-5, 5305-00-080-0188, 00-080-0188, 5305000800188, 000800188

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 13, 196700-080-018806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-00-080-0188
Part Number Cage Code Manufacturer
3MFR334CFA7-576301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5305-00-080-0188
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.469 INCHES MINIMUM
FASTENER LENGTH0.969 INCHES NOMINAL
SCREW MATERIAL STEEL
HEAD SURFACE TREATMENT PRIMER
SHANK SURFACE TREATMENT CADMIUM AND CHROMATE
HARDNESS RATINGRCB36.0 ROCKWELL C MAXIMUM AND 40.0 ROCKWELL C MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE II