NSN 5305-00-530-6174

Part Details | CLOSE TOLERANCE SCREW

5305-00-530-6174 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: 53G9708525, 53G970852-5, 53G9708525, 53G970852-5, 5305-00-530-6174, 00-530-6174, 5305005306174, 005306174

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 07, 197400-530-617429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-530-6174
Part Number Cage Code Manufacturer
53G970852-576301BOEING COMPANY, THEDBA BOEING
53G970852-530205MERCER PRODUCTS & MANUFACTURINGCOMPANY
Technical Data | NSN 5305-00-530-6174
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.437 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM
FASTENER LENGTH1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.5565 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM
GRIP LENGTH0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM