NSN 5305-00-467-7570

Part Details | CLOSE TOLERANCE SCREW

5305-00-467-7570 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: STD2180E30, STD2180E30, 996038824, 99-6038824, 5305-00-467-7570, 00-467-7570, 5305004677570, 004677570

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 08, 197000-467-757029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-467-7570
Part Number Cage Code Manufacturer
STD2180E30U9143BAE SYSTEMS (OPERATIONS) LTD
STD2180E30K0289BRITISH AEROSPACE MILITARYAIRCRAFT & AEROSTRUCTURES
99-603882499995NATO STOCK NUMBER ASSIGNEDBY ANOTHER NATION
Technical Data | NSN 5305-00-467-7570
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.240 INCHES NOMINAL
FASTENER LENGTH0.540 INCHES NOMINAL
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.300 INCHES NOMINAL
GRIP DIAMETER0.2495 INCHES MINIMUM AND 0.2504 INCHES MAXIMUM