NSN 5305-00-478-9983

Part Details | CLOSE TOLERANCE SCREW

5305-00-478-9983 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Alternate Parts: VS2787T3C8, C07938, C079-3-8, SFT93038, SFT930-3-8, AIC7938, AIC79-3-8, 5305-00-478-9983, 00-478-9983, 5305004789983, 004789983

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 09, 197000-478-998329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-478-9983
Part Number Cage Code Manufacturer
VS2787T3C892215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C079-3-881755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
SFT930-3-856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
AIC79-3-806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-00-478-9983
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.210 INCHES MINIMUM AND 0.277 INCHES MAXIMUM
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.736 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH300000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM