NSN 5305-01-397-1317

Part Details | CLOSE TOLERANCE SCREW

5305-01-397-1317 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: NA0123A050006, NA0123-A050006, 5305-01-397-1317, 01-397-1317, 5305013971317, 013971317

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 03, 199401-397-131729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-397-1317
Part Number Cage Code Manufacturer
NA0123-A05000680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-397-1317
Characteristic Specifications
THREAD SERIES DESIGNATOR MJ
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.8
EXTERNAL THREAD TOLERANCE CLASS4H6H
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH9.0 MILLIMETERS NOMINAL
FASTENER LENGTH14.7 MILLIMETERS MINIMUM AND 15.3 MILLIMETERS MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER7.0 MILLIMETERS MINIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH6.00 MILLIMETERS NOMINAL
GRIP DIAMETER4.9650 MILLIMETERS MINIMUM AND 4.9900 MILLIMETERS MAXIMUM