NSN 5305-00-328-9270

Part Details | MACHINE SCREW

5305-00-328-9270 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: NAS121743, NAS1217-4-3, 5305-00-328-9270, 00-328-9270, 5305003289270, 003289270

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 09, 197300-328-927006657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

HIGH-TORQUE

Cross Reference | NSN 5305-00-328-9270
Part Number Cage Code Manufacturer
NAS1217-4-380205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-328-9270
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
FASTENER LENGTH0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM
SCREW MATERIAL0$DST0028$DST6150$DST8735$DST8740
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBMIL-S-5626$CMIL-S-5000$DMIL-S-8503$EMIL-S-6098$FMIL-S-6049 3RD MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE4 UNDERCUT HEXAGON
HEAD DIAMETER0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
SPECIFICATION/STANDARD DATA80205-NAS1217 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD