NSN 5305-00-957-5209

Part Details | MACHINE SCREW

5305-00-957-5209 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: 3M49717, 3M49-7-17, HT7U17, 5305-00-957-5209, 00-957-5209, 5305009575209, 009575209

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-957-520906657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HIGH-TORQUE

Cross Reference | NSN 5305-00-957-5209
Part Number Cage Code Manufacturer
3M49-7-1776301BOEING COMPANY, THEDBA BOEING
HT7U1773197HI-SHEAR CORPORATION
Technical Data | NSN 5305-00-957-5209
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.656 INCHES MINIMUM
FASTENER LENGTH1.719 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT CADMIUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE0 CROWNED HEXAGON
HEAD DIAMETER0.881 INCHES MINIMUM AND 0.888 INCHES MAXIMUM
HEAD HEIGHT0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT