NSN 5305-00-090-4097

Part Details | CLOSE TOLERANCE SCREW

5305-00-090-4097 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: CA26520514, CA2652-05-14, AS1160514, AS116-05-14, MS211250514, MS21125-0514, 5305-00-090-4097, 00-090-4097, 5305000904097, 000904097

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 29, 197200-090-409729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HIGH-TORQUE

Cross Reference | NSN 5305-00-090-4097
Part Number Cage Code Manufacturer
CA2652-05-1429372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS116-05-1484256AVIBANK MFG., INC.
MS21125-051480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-090-4097
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.306 INCHES MINIMUM AND 0.357 INCHES MAXIMUM
FASTENER LENGTH1.353 INCHES MINIMUM AND 1.373 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
GRIP DIAMETER0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT