NSN 5305-01-189-7440

Part Details | SETSCREW

5305-01-189-7440 An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Alternate Parts: NAS1081C4A14, 5305-01-189-7440, 01-189-7440, 5305011897440, 011897440

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 20, 198401-189-744006672 ( SETSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON

FLAT

HEXAGON

Cross Reference | NSN 5305-01-189-7440
Part Number Cage Code Manufacturer
NAS1081C4A1480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-189-7440
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH0.862 INCHES MINIMUM AND 0.888 INCHES MAXIMUM
HEAD STYLE01 HEXAGON
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
POINT STYLE9 FLAT
SPECIFICATION/STANDARD DATA80205-NAS1081 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD