NSN 5305-01-420-1784

Part Details | ASSEMBLED WASHER SCREW

5305-01-420-1784 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).

Alternate Parts: NAS72086, NAS720-8-6, 5305-01-420-1784, 01-420-1784, 5305014201784, 014201784

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 11, 199501-420-178406660 ( SCREW, ASSEMBLED WASHER )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE III

COUNTERSINK EXTERNAL TEETH

SPLIT HELICAL RING

COUNTERSINK EXTERNAL TEETH

SPLIT HELICAL RING

Cross Reference | NSN 5305-01-420-1784
Part Number Cage Code Manufacturer
NAS720-8-680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-420-1784
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.266 INCHES MAXIMUM
FASTENER LENGTH0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE III
WASHER QUANTITY2
PRIMARY WASHER STYLE SPLIT HELICAL RING
PRIMARY WASHER OUTSIDE DIAMETER0.296 INCHES MAXIMUM
PRIMARY WASHER MATERIAL THICKNESS0.040 INCHES MINIMUM
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER NOT IDENTICAL
SECONDARY WASHER STYLE0 COUNTERSINK EXTERNAL TEETH
SECONDARY WASHER OUTSIDE DIAMETER0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
SECONDARY WASHER MATERIAL THICKNESS0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD