NSN 5305-01-027-9525

Part Details | CLOSE TOLERANCE SCREW

5305-01-027-9525 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: LS1523752, LS15237-5-2, LS1523752, LS15237-5-2, LS1523752, LS15237-5-2, LS1523752, LS15237-5-2, LS1523752, LS15237-5-2, LS1523752, LS15237-5-2, 5305-01-027-9525, 01-027-9525, 5305010279525, 010279525

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 23, 197601-027-952529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-027-9525
Part Number Cage Code Manufacturer
LS15237-5-206950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LS15237-5-289513GRIMES AEROSPACE CO
LS15237-5-273197HI-SHEAR CORPORATION
LS15237-5-2L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
LS15237-5-298897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
LS15237-5-280539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-027-9525
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.350 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
FASTENER LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.477 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE1 CROSS RECESS TYPE II
GRIP LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM