NSN 5305-01-439-8884

Part Details | MACHINE SCREW

5305-01-439-8884 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: NAS1802430, NAS1802-4-30, 5305-01-439-8884, 01-439-8884, 5305014398884, 014398884

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 22, 199601-439-888406657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-439-8884
Part Number Cage Code Manufacturer
NAS1802-4-3080205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-439-8884
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.788 INCHES MINIMUM AND 1.906 INCHES MAXIMUM
FASTENER LENGTH1.859 INCHES MINIMUM AND 1.906 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAAMS5731$AAMS5737 ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT PASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE HEXAGON
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.410 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
SPECIFICATION/STANDARD DATA80205-NAS1802 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD