NSN 5305-01-057-0349

Part Details | CLOSE TOLERANCE SCREW

5305-01-057-0349 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: 66117H922, 66117H9-22, 66117H922, 66117H9-22, 66117H922, 66117H9-22, 5305-01-057-0349, 01-057-0349, 5305010570349, 010570349

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 05, 197801-057-034929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-057-0349
Part Number Cage Code Manufacturer
66117H9-2250392SPS TECHNOLOGIES INC
66117H9-2256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
66117H9-2280539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-057-0349
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.699 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
FASTENER LENGTH2.084 INCHES MINIMUM AND 2.131 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.135 INCHES MINIMUM AND 1.145 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
GRIP DIAMETER0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT