NSN 5305-01-337-6020

Part Details | CLOSE TOLERANCE SCREW

5305-01-337-6020 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: BACB30MS9R26, BACB30MS9R26, BACB30MS9R26, BACB30MS9R26, BACB30MS9R26, BACB30MS9R26, BACB30MS9R26, BACB30MS9R26, 5305-01-337-6020, 01-337-6020, 5305013376020, 013376020

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 18, 199101-337-602029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-337-6020
Part Number Cage Code Manufacturer
BACB30MS9R2692215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30MS9R2673197HI-SHEAR CORPORATION
BACB30MS9R2617446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30MS9R2697928HUCK INTL INC
BACB30MS9R26L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
BACB30MS9R2656878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
BACB30MS9R2680539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30MS9R2681205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5305-01-337-6020
Characteristic Specifications
NOMINAL THREAD DIAMETER0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.840 INCHES NOMINAL
FASTENER LENGTH2.450 INCHES MINIMUM AND 2.480 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.071 INCHES MINIMUM AND 1.146 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
GRIP DIAMETER0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM
FEATURES PROVIDED CETYL ALCOHOL LUBRICANT
SPECIAL FEATURESRED DYE OR PAINT ON THREAD END BEFORE LUBRICATION
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT